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Preview: Recent Articles in Phys. Rev. E

Recent Articles in Phys. Rev. E



Recent articles in Physical Review E



Published: 2017-05-22T14:17:49-04:00

 



Driven Brownian particle as a paradigm for a nonequilibrium heat bath: Effective temperature and cyclic work extraction

2017-05-22T10:00:00-04:00

Author(s): R. Wulfert, M. Oechsle, T. Speck, and U. Seifert
We apply the concept of a frequency-dependent effective temperature based on the fluctuation-dissipation ratio to a driven Brownian particle in a nonequilibrium steady state. Using this system as a thermostat for a weakly coupled harmonic oscillator, the oscillator thermalizes according to a canonic…
[Phys. Rev. E 95, 050103(R)] Published Mon May 22, 2017



Entropy of diluted antiferromagnetic Ising models on frustrated lattices using the Wang-Landau method

2017-05-22T10:00:00-04:00

Author(s): Yuriy Shevchenko, Konstantin Nefedev, and Yutaka Okabe
We use a Monte Carlo simulation to study the diluted antiferromagnetic Ising model on frustrated lattices including the pyrochlore lattice to show the dilution effects. Using the Wang-Landau algorithm, which directly calculates the energy density of states, we accurately calculate the entropy of the…
[Phys. Rev. E 95, 052132] Published Mon May 22, 2017



Dual time scales in simulated annealing of a two-dimensional Ising spin glass

2017-05-22T10:00:00-04:00

Author(s): Shanon J. Rubin, Na Xu, and Anders W. Sandvik
We apply a generalized Kibble-Zurek out-of-equilibrium scaling ansatz to simulated annealing when approaching the spin-glass transition at temperature T=0 of the two-dimensional Ising model with random J=±1 couplings. Analyzing the spin-glass order parameter and the excess energy as functions of the…
[Phys. Rev. E 95, 052133] Published Mon May 22, 2017



Double diffusivity model under stochastic forcing

2017-05-22T10:00:00-04:00

Author(s): Amit K. Chattopadhyay and Elias C. Aifantis
The “double diffusivity” model was proposed in the late 1970s, and reworked in the early 1980s, as a continuum counterpart to existing discrete models of diffusion corresponding to high diffusivity paths, such as grain boundaries and dislocation lines. It was later rejuvenated in the 1990s to interp…
[Phys. Rev. E 95, 052134] Published Mon May 22, 2017



Phase transitions at high energy vindicate negative microcanonical temperature

2017-05-22T10:00:00-04:00

Author(s): P. Buonsante, R. Franzosi, and A. Smerzi
The notion of negative absolute temperature emerges naturally from Boltzmann's definition of “surface” microcanonical entropy in isolated systems with a bounded energy density. Recently, the well-posedness of such construct has been challenged, on account that only the Gibbs “volume” entropy—and the…
[Phys. Rev. E 95, 052135] Published Mon May 22, 2017



Interacting opinion and disease dynamics in multiplex networks: Discontinuous phase transition and nonmonotonic consensus times

2017-05-22T10:00:00-04:00

Author(s): Fátima Velásquez-Rojas and Federico Vazquez
Opinion formation and disease spreading are among the most studied dynamical processes on complex networks. In real societies, it is expected that these two processes depend on and affect each other. However, little is known about the effects of opinion dynamics over disease dynamics and vice versa,…
[Phys. Rev. E 95, 052315] Published Mon May 22, 2017



Anticipated synchronization in neuronal circuits unveiled by a phase-response-curve analysis

2017-05-22T10:00:00-04:00

Author(s): Fernanda S. Matias, Pedro V. Carelli, Claudio R. Mirasso, and Mauro Copelli
Anticipated synchronization (AS) is a counterintuitive behavior that has been observed in several systems. When AS occurs in a sender-receiver configuration, the latter can predict the future dynamics of the former for certain parameter values. In particular, in neuroscience AS was proposed to expla…
[Phys. Rev. E 95, 052410] Published Mon May 22, 2017



Model of the best-of-N nest-site selection process in honeybees

2017-05-22T10:00:00-04:00

Author(s): Andreagiovanni Reina, James A. R. Marshall, Vito Trianni, and Thomas Bose

This paper presents a model for collective decision making applied to a swarm of honeybees choosing a nest. The authors tackle the extension of a known binary option model to an arbitrary number of choices, and study the situation when one option is better than the rest.

(image)
[Phys. Rev. E 95, 052411] Published Mon May 22, 2017



Symplectic and antiplectic waves in an array of beating cilia attached to a closed body

2017-05-22T10:00:00-04:00

Author(s): Aref Ghorbani and Ali Najafi
By taking into account the hydrodynamic interactions in a one dimensional array of model cilia attached to a no-slip cylinderical surface, we investigate their synchronized motion. We show how the emergence of metachronal waves depends on the initial state of the system and investigate the condition…
[Phys. Rev. E 95, 052412] Published Mon May 22, 2017



Role of length polydispersity in the phase behavior of freely rotating hard-rectangle fluids

2017-05-22T10:00:00-04:00

Author(s): Ariel Díaz-De Armas and Yuri Martínez-Ratón
We use the density-functional formalism, in particular the scaled-particle theory, applied to a length-polydisperse hard-rectangle fluid to study its phase behavior as a function of the mean particle aspect ratio κ_{0} and polydispersity Δ_{0}. The numerical solutions of the coexistence equations ar…
[Phys. Rev. E 95, 052702] Published Mon May 22, 2017



Enhanced drainage and thinning of liquid films between bubbles and solids that support surface waves

2017-05-22T10:00:00-04:00

Author(s): Amihai Horesh, Matvey Morozov, and Ofer Manor
We study the thinning and drainage of the intermediate liquid film between a bubble and a solid surface at close proximity in the presence of a surface acoustic wave (SAW) in the solid. Specifically, we employ the diffraction of light to observe a long air bubble confined in a solid rectangular chan…
[Phys. Rev. E 95, 052803] Published Mon May 22, 2017



Relation between the porosity and tortuosity of a membrane formed by disconnected irregular pores and the spatial diffusion coefficient of the Fick-Jacobs model

2017-05-22T10:00:00-04:00

Author(s): Aldo Ledesma-Durán, S. I. Hernández, and Iván Santamaría-Holek
In this work, we provide a theoretical relationship between the spatial-dependent diffusion coefficient derived in the Fick-Jacobs (FJ) approximation and the macroscopic diffusion coefficient of a membrane that depends on the porosity, tortuosity, and the constriction factors. Based on simple mass c…
[Phys. Rev. E 95, 052804] Published Mon May 22, 2017



Statistical characterization of microstructure of packings of polydisperse hard cubes

2017-05-22T10:00:00-04:00

Author(s): Hessam Malmir, Muhammad Sahimi, and M. Reza Rahimi Tabar
Polydisperse packings of cubic particles arise in several important problems. Examples include zeolite microcubes that represent catalytic materials, fluidization of such microcubes in catalytic reactors, fabrication of new classes of porous materials with precise control of their morphology, and se…
[Phys. Rev. E 95, 052902] Published Mon May 22, 2017



Bremsstrahlung from the interaction of short laser pulses with dielectrics

2017-05-22T10:00:00-04:00

Author(s): G. M. Petrov, J. P. Palastro, and J. Peñano
An intense, short laser pulse incident on a transparent dielectric can excite electrons from the valence to the conduction band. As these electrons undergo scattering, both from phonons and ions, they emit bremsstrahlung. Here we present a theory of bremsstrahlung emission appropriate for the intera…
[Phys. Rev. E 95, 053209] Published Mon May 22, 2017



Simultaneous influence of helicity and compressibility on anomalous scaling of the magnetic field in the Kazantsev-Kraichnan model

2017-05-22T10:00:00-04:00

Author(s): E. Jurčišinová, M. Jurčišin, and M. Menkyna
Using the field theoretic renormalization group technique and the operator product expansion, the systematic investigation of the influence of the spatial parity violation on the anomalous scaling behavior of correlation functions of the weak passive magnetic field in the framework of the compressib…
[Phys. Rev. E 95, 053210] Published Mon May 22, 2017



Chaos in the band structure of a soft Sinai lattice

2017-05-19T10:00:00-04:00

Author(s): Max D. Porter, Aaron Barr, Ariel Barr, and L. E. Reichl
We study the effect of broken spatial and dynamical symmetries on the band structure of two lattices with unit cells that are soft versions of the classic Sinai billiard. We find significant signatures of chaos in the band structure of these lattices, in energy regimes where the underlying classical…
[Phys. Rev. E 95, 052213] Published Fri May 19, 2017



Bounds of memory strength for power-law series

2017-05-19T10:00:00-04:00

Author(s): Fangjian Guo, Dan Yang, Zimo Yang, Zhi-Dan Zhao, and Tao Zhou
Many time series produced by complex systems are empirically found to follow power-law distributions with different exponents α. By permuting the independently drawn samples from a power-law distribution, we present nontrivial bounds on the memory strength (first-order autocorrelation) as a function…
[Phys. Rev. E 95, 052314] Published Fri May 19, 2017



Taylor cone and electrospraying at a free surface of superfluid helium charged from below

2017-05-19T10:00:00-04:00

Author(s): P. Moroshkin, P. Leiderer, Th. B. Möller, and K. Kono
Electrically charged metallic micro- and nanoparticles are trapped under a free surface of superfluid He in a vertical static electric field. We observe a static deformation of the charged liquid surface in the form of a Taylor cone and the emission of a charged liquid helium jet (electrospray). Our…
[Phys. Rev. E 95, 053110] Published Fri May 19, 2017



Measurements of ionization states in warm dense aluminum with betatron radiation

2017-05-19T10:00:00-04:00

Author(s): M. Z. Mo, Z. Chen, S. Fourmaux, A. Saraf, S. Kerr, K. Otani, R. Masoud, J.-C. Kieffer, Y. Tsui, A. Ng, and R. Fedosejevs
Time-resolved measurements of the ionization states of warm dense aluminum via K-shell absorption spectroscopy are demonstrated using betatron radiation generated from laser wakefield acceleration as a probe. The warm dense aluminum is generated by irradiating a free-standing nanofoil with a femtose…
[Phys. Rev. E 95, 053208] Published Fri May 19, 2017



Diffusion-driven self-assembly of rodlike particles: Monte Carlo simulation on a square lattice

2017-05-18T10:00:00-04:00

Author(s): Nikolai I. Lebovka, Yuri Yu. Tarasevich, Volodymyr A. Gigiberiya, and Nikolai V. Vygornitskii
The diffusion-driven self-assembly of rodlike particles was studied by means of Monte Carlo simulation. The rods were represented as linear k-mers (i.e., particles occupying k adjacent sites). In the initial state, they were deposited onto a two-dimensional square lattice of size L×L up to the jammi…
[Phys. Rev. E 95, 052130] Published Thu May 18, 2017



Approximate probabilistic cellular automata for the dynamics of single-species populations under discrete logisticlike growth with and without weak Allee effects

2017-05-18T10:00:00-04:00

Author(s): J. Ricardo G. Mendonça and Yeva Gevorgyan
We investigate one-dimensional elementary probabilistic cellular automata (PCA) whose dynamics in first-order mean-field approximation yields discrete logisticlike growth models for a single-species unstructured population with nonoverlapping generations. Beginning with a general six-parameter model…
[Phys. Rev. E 95, 052131] Published Thu May 18, 2017



Relaxation of twist helicity in the cascade process of linked quantum vortices

2017-05-18T10:00:00-04:00

Author(s): Simone Zuccher and Renzo L. Ricca
By numerically solving the three-dimensional Gross-Pitaevskii equation we analyze the cascade process associated with the evolution and decay of a pair of linked vortex rings. The system decays through a series of reconnections to produce finally three unlinked, unfolded, almost planar vortex loops.…
[Phys. Rev. E 95, 053109] Published Thu May 18, 2017



Freak oscillation in a dusty plasma

2017-05-18T10:00:00-04:00

Author(s): Heng Zhang, Yang Yang, Xue-Ren Hong, Xin Qi, Wen-Shan Duan, and Lei Yang
The freak oscillation in one-dimensional dusty plasma is studied numerically by particle-in-cell method. Using a perturbation method, the basic set of fluid equations is reduced to a nonlinear Schrödinger equation (NLSE). The rational solution of the NLSE is presented, which is proposed as an effect…
[Phys. Rev. E 95, 053207] Published Thu May 18, 2017



Evaluating the morphological completeness of a training image

2017-05-18T10:00:00-04:00

Author(s): Mingliang Gao, Qizhi Teng, Xiaohai He, Junxi Feng, and Xue Han
Understanding the three-dimensional (3D) stochastic structure of a porous medium is helpful for studying its physical properties. A 3D stochastic structure can be reconstructed from a two-dimensional (2D) training image (TI) using mathematical modeling. In order to predict what specific morphology b…
[Phys. Rev. E 95, 053306] Published Thu May 18, 2017



Stationary engines in and beyond the linear response regime at the Carnot efficiency

2017-05-17T10:00:00-04:00

Author(s): Naoto Shiraishi
The condition for stationary engines to attain the Carnot efficiency in and beyond the linear response regime is investigated. We find that this condition for finite-size engines is significantly different from that for macroscopic engines in the thermodynamic limit. For the case of finite-size engi…
[Phys. Rev. E 95, 052128] Published Wed May 17, 2017



Finite-size corrections in the random assignment problem

2017-05-17T10:00:00-04:00

Author(s): Sergio Caracciolo, Matteo P. D'Achille, Enrico M. Malatesta, and Gabriele Sicuro
We analytically derive, in the context of the replica formalism, the first finite-size corrections to the average optimal cost in the random assignment problem for a quite generic distribution law for the costs. We show that, when moving from a power-law distribution to a Γ distribution, the leading…
[Phys. Rev. E 95, 052129] Published Wed May 17, 2017



Dynamics of a bistable Miura-origami structure

2017-05-17T10:00:00-04:00

Author(s): Hongbin Fang, Suyi Li, Huimin Ji, and K. W. Wang
Origami-inspired structures and materials have shown extraordinary properties and performances originating from the intricate geometries of folding. However, current state of the art studies have mostly focused on static and quasistatic characteristics. This research performs a comprehensive experim…
[Phys. Rev. E 95, 052211] Published Wed May 17, 2017



Spontaneous exchange of leader-laggard relationship in mutually coupled synchronized semiconductor lasers

2017-05-17T10:00:00-04:00

Author(s): Kazutaka Kanno, Takuya Hida, Atsushi Uchida, and Masatoshi Bunsen
We investigate the instantaneous behavior of synchronized temporal wave forms in two mutually coupled semiconductor lasers numerically and experimentally. The temporal wave forms of two lasers are synchronized with a propagation delay time, with one laser oscillating in advance of the other, known a…
[Phys. Rev. E 95, 052212] Published Wed May 17, 2017



Optimizing diffusion in multiplexes by maximizing layer dissimilarity

2017-05-17T10:00:00-04:00

Author(s): Alfredo B. Serrano, Jesús Gómez-Gardeñes, and Roberto F. S. Andrade
Diffusion in a multiplex depends on the specific link distribution between the nodes in each layer, but also on the set of the intralayer and interlayer diffusion coefficients. In this work we investigate, in a quantitative way, the efficiency of multiplex diffusion as a function of the topological …
[Phys. Rev. E 95, 052312] Published Wed May 17, 2017



Minimum spanning tree filtering of correlations for varying time scales and size of fluctuations

2017-05-17T10:00:00-04:00

Author(s): Jarosław Kwapień, Paweł Oświęcimka, Marcin Forczek, and Stanisław Drożdż
Based on a recently proposed q-dependent detrended cross-correlation coefficient, ρ_{q} [J. Kwapień, P. Oświęcimka, and S. Drożdż, Phys. Rev. E 92, 052815 (2015)], we generalize the concept of the minimum spanning tree (MST) by introducing a family of q-dependent minimum spanning trees (qMSTs) that …
[Phys. Rev. E 95, 052313] Published Wed May 17, 2017



Experimental comparison of forces resisting viral DNA packaging and driving DNA ejection

2017-05-17T10:00:00-04:00

Author(s): Nicholas Keller, Zachary T. Berndsen, Paul J. Jardine, and Douglas E. Smith
We compare forces resisting DNA packaging and forces driving DNA ejection in bacteriophage phi29 with theoretical predictions. Ejection of DNA from prohead-motor complexes is triggered by heating complexes after in vitro packaging and force is inferred from the suppression of ejection by applied osm…
[Phys. Rev. E 95, 052408] Published Wed May 17, 2017



Analytical solution of the steady membrane voltage fluctuation caused by a single ion channel

2017-05-17T10:00:00-04:00

Author(s): Jia-Zeng Wang and Rui-Zhen Wang
An analytical steady-state solution of the stochastic model describing the integrated dynamics of the membrane voltage and the gating of a single channel is presented. The voltage density function experiences bifurcation in the parameter space, and the threshold is determined by the comparison betwe…
[Phys. Rev. E 95, 052409] Published Wed May 17, 2017



Hydrodynamics of viscous inhalant flows

2017-05-17T10:00:00-04:00

Author(s): Aaron C. True and John P. Crimaldi
Inhalant flows draw fluid into an orifice from a reservoir and are ubiquitous in engineering and biology. Surprisingly, there is a lack of quantitative information on viscous inhalant flows. We consider here laminar flows (Reynolds number Re≤100) developing after impulsive inhalation begins. We impl…
[Phys. Rev. E 95, 053107] Published Wed May 17, 2017



Finite-thickness effects on the Rayleigh-Taylor instability in accelerated elastic solids

2017-05-17T10:00:00-04:00

Author(s): S. A. Piriz, A. R. Piriz, and N. A. Tahir
A physical model has been developed for the linear Rayleigh-Taylor instability of a finite-thickness elastic slab laying on top of a semi-infinite ideal fluid. The model includes the nonideal effects of elasticity as boundary conditions at the top and bottom interfaces of the slab and also takes int…
[Phys. Rev. E 95, 053108] Published Wed May 17, 2017



Two-dimensional implosion simulations with a kinetic particle code

2017-05-17T10:00:00-04:00

Author(s): I. Sagert, W. P. Even, and T. T. Strother
We perform two-dimensional implosion simulations using a Monte Carlo kinetic particle code. The application of a kinetic transport code is motivated, in part, by the occurrence of nonequilibrium effects in inertial confinement fusion capsule implosions, which cannot be fully captured by hydrodynamic…
[Phys. Rev. E 95, 053206] Published Wed May 17, 2017



Large-scale structure of randomly jammed spheres

2017-05-16T10:00:00-04:00

Author(s): Atsushi Ikeda, Ludovic Berthier, and Giorgio Parisi
We numerically analyze the density field of three-dimensional randomly jammed packings of monodisperse soft frictionless spherical particles, paying special attention to fluctuations occurring at large length scales. We study in detail the two-point static structure factor at low wave vectors in Fou…
[Phys. Rev. E 95, 052125] Published Tue May 16, 2017



Variance of permutation entropy and the influence of ordinal pattern selection

2017-05-16T10:00:00-04:00

Author(s): Douglas J. Little and Deb M. Kane
Permutation entropy (PE) is a widely used measure for complexity, often used to distinguish between complex systems (or complex systems in different states). Here, the PE variance for a stationary time series is derived, and the influence of ordinal pattern selection, specifically whether the ordina…
[Phys. Rev. E 95, 052126] Published Tue May 16, 2017



Evolution of moments and correlations in nonrenewal escape-time processes

2017-05-16T10:00:00-04:00

Author(s): Wilhelm Braun, Rüdiger Thul, and André Longtin
The theoretical description of nonrenewal stochastic systems is a challenge. Analytical results are often not available or can be obtained only under strong conditions, limiting their applicability. Also, numerical results have mostly been obtained by ad hoc Monte Carlo simulations, which are usuall…
[Phys. Rev. E 95, 052127] Published Tue May 16, 2017



Synchronization of fluctuating delay-coupled chaotic networks

2017-05-16T10:00:00-04:00

Author(s): Manuel Jiménez-Martín, Javier Rodríguez-Laguna, Otti D'Huys, Javier de la Rubia, and Elka Korutcheva
We study the synchronization of chaotic units connected through time-delayed fluctuating interactions. Focusing on small-world networks of Bernoulli and Logistic units with a fixed chiral backbone, we compare the synchronization properties of static and fluctuating networks in the regime of large de…
[Phys. Rev. E 95, 052210] Published Tue May 16, 2017



Scale-free networks emerging from multifractal time series

2017-05-16T10:00:00-04:00

Author(s): Marcello A. Budroni, Andrea Baronchelli, and Romualdo Pastor-Satorras
Methods connecting dynamical systems and graph theory have attracted increasing interest in the past few years, with applications ranging from a detailed comparison of different kinds of dynamics to the characterization of empirical data. Here we investigate the effects of the (multi)fractal propert…
[Phys. Rev. E 95, 052311] Published Tue May 16, 2017



Stochastic lattice model of synaptic membrane protein domains

2017-05-16T10:00:00-04:00

Author(s): Yiwei Li, Osman Kahraman, and Christoph A. Haselwandter
Neurotransmitter receptor molecules, concentrated in synaptic membrane domains along with scaffolds and other kinds of proteins, are crucial for signal transmission across chemical synapses. In common with other membrane protein domains, synaptic domains are characterized by low protein copy numbers…
[Phys. Rev. E 95, 052406] Published Tue May 16, 2017



Lateral diffusion induced by active proteins in a biomembrane

2017-05-16T10:00:00-04:00

Author(s): Yuto Hosaka, Kento Yasuda, Ryuichi Okamoto, and Shigeyuki Komura
We discuss the hydrodynamic collective effects due to active protein molecules that are immersed in lipid bilayer membranes and modeled as stochastic force dipoles. We specifically take into account the presence of the bulk solvent that surrounds the two-dimensional fluid membrane. Two membrane geom…
[Phys. Rev. E 95, 052407] Published Tue May 16, 2017



Strain tensor selection and the elastic theory of incompatible thin sheets

2017-05-16T10:00:00-04:00

Author(s): Oz Oshri and Haim Diamant
The existing theory of incompatible elastic sheets uses the deviation of the surface metric from a reference metric to define the strain tensor [Efrati et al., J. Mech. Phys. Solids 57, 762 (2009)]. For a class of simple axisymmetric problems we examine an alternative formulation, defining the stra…
[Phys. Rev. E 95, 053003] Published Tue May 16, 2017



Surprising convergence of the Monte Carlo renormalization group for the three-dimensional Ising model

2017-05-16T10:00:00-04:00

Author(s): Dorit Ron, Achi Brandt, and Robert H. Swendsen
We present a surprisingly simple approach to high-accuracy calculations of the critical properties of the three-dimensional Ising model. The method uses a modified block-spin transformation with a tunable parameter to improve convergence in the Monte Carlo renormalization group. The block-spin param…
[Phys. Rev. E 95, 053305] Published Tue May 16, 2017



Nonmonotonic dynamic correlations in quasi-two-dimensional confined glass-forming liquids

2017-05-15T10:00:00-04:00

Author(s): Baicheng Mei, Yuyuan Lu, Lijia An, Hongfei Li, and Liang Wang
It has been broadly accepted that the behavior of glass-forming liquids, where their relaxation dynamics exhibit a pronounced slowdown as they are cooled toward the glass transition temperature, is caused by the increase in one or more correlation lengths. However, the role of length scales in the d…
[Phys. Rev. E 95, 050601(R)] Published Mon May 15, 2017



Colored percolation

2017-05-15T10:00:00-04:00

Author(s): Sumanta Kundu and S. S. Manna
A model called “colored percolation” has been introduced with its infinite number of versions in two dimensions. The sites of a regular lattice are randomly occupied with probability p and are then colored by one of the n distinct colors using uniform probability q=1/n. Denoting different colors by …
[Phys. Rev. E 95, 052124] Published Mon May 15, 2017



Quantum-to-classical transition in the work distribution for chaotic systems

2017-05-12T10:00:00-04:00

Author(s): Ignacio García-Mata, Augusto J. Roncaglia, and Diego A. Wisniacki
The work distribution is a fundamental quantity in nonequilibrium thermodynamics mainly due to its connection with fluctuation theorems. Here, we develop a semiclassical approximation to the work distribution for a quench process in chaotic systems that provides a link between the quantum and classi…
[Phys. Rev. E 95, 050102(R)] Published Fri May 12, 2017



Mechanism of unconfined dust explosions: Turbulent clustering and radiation-induced ignition

2017-05-12T10:00:00-04:00

Author(s): Michael Liberman, Nathan Kleeorin, Igor Rogachevskii, and Nils Erland L. Haugen
It is known that unconfined dust explosions typically start off with a relatively weak primary flame followed by a severe secondary explosion. We show that clustering of dust particles in a temperature stratified turbulent flow ahead of the primary flame may give rise to a significant increase in th…
[Phys. Rev. E 95, 051101(R)] Published Fri May 12, 2017



Cavity master equation for the continuous time dynamics of discrete-spin models

2017-05-12T10:00:00-04:00

Author(s): E. Aurell, G. Del Ferraro, E. Domínguez, and R. Mulet
We present an alternate method to close the master equation representing the continuous time dynamics of interacting Ising spins. The method makes use of the theory of random point processes to derive a master equation for local conditional probabilities. We analytically test our solution studying t…
[Phys. Rev. E 95, 052119] Published Fri May 12, 2017



Similarity law for Widom lines and coexistence lines

2017-05-12T10:00:00-04:00

Author(s): D. T. Banuti, M. Raju, and M. Ihme
The coexistence line of a fluid separates liquid and gaseous states at subcritical pressures, ending at the critical point. Only recently, it became clear that the supercritical state space can likewise be divided into regions with liquidlike and gaslike properties, separated by an extension to the …
[Phys. Rev. E 95, 052120] Published Fri May 12, 2017



Global stability and H theorem in lattice models with nonconservative interactions

2017-05-12T10:00:00-04:00

Author(s): C. A. Plata and A. Prados
In kinetic theory, a system is usually described by its one-particle distribution function f(r,v,t), such that f(r,v,t)drdv is the fraction of particles with positions and velocities in the intervals (r,r+dr) and (v,v+dv), respectively. Therein, global stability and the possible existence of an asso…
[Phys. Rev. E 95, 052121] Published Fri May 12, 2017



Breakdown of the Stokes-Einstein relation in pure Lennard-Jones fluids: From gas to liquid via supercritical states

2017-05-12T10:00:00-04:00

Author(s): Norikazu Ohtori, Shohei Miyamoto, and Yoshiki Ishii
We have examined the conditions under which the breakdown of the Stokes-Einstein (SE) relation occurs in pure Lennard-Jones (LJ) fluids over a wide range of temperatures and packing fractions beyond the critical point. To this end, the temperature and packing-fraction dependence of the self-diffusio…
[Phys. Rev. E 95, 052122] Published Fri May 12, 2017



Two coupled, driven Ising spin systems working as an engine

2017-05-12T10:00:00-04:00

Author(s): Debarshi Basu, Joydip Nandi, A. M. Jayannavar, and Rahul Marathe
Miniaturized heat engines constitute a fascinating field of current research. Many theoretical and experimental studies are being conducted that involve colloidal particles in harmonic traps as well as bacterial baths acting like thermal baths. These systems are micron-sized and are subjected to lar…
[Phys. Rev. E 95, 052123] Published Fri May 12, 2017



Pattern formation in a reaction-diffusion system of Fitzhugh-Nagumo type before the onset of subcritical Turing bifurcation

2017-05-12T10:00:00-04:00

Author(s): Maxim Kuznetsov, Andrey Kolobov, and Andrey Polezhaev
We investigate numerically the behavior of a two-component reaction-diffusion system of Fitzhugh-Nagumo type before the onset of subcritical Turing bifurcation in response to local rigid perturbation. In a large region of parameters, the initial perturbation evolves into a localized structure. In a …
[Phys. Rev. E 95, 052208] Published Fri May 12, 2017



Probability of noise- and rate-induced tipping

2017-05-12T10:00:00-04:00

Author(s): Paul Ritchie and Jan Sieber
We propose an approximation for the probability of tipping when the speed of parameter change and additive white noise interact to cause tipping. Our approximation is valid for small to moderate drift speeds and helps to estimate the probability of false positives and false negatives in early-warnin…
[Phys. Rev. E 95, 052209] Published Fri May 12, 2017



Contractile actuation and dynamical gel assembly of paramagnetic filaments in fast precessing fields

2017-05-12T10:00:00-04:00

Author(s): Joshua M. Dempster, Pablo Vázquez-Montejo, and Monica Olvera de la Cruz
Flexible superparamagnetic filaments are studied under the influence of fast precessing magnetic fields using simulations and a continuum approximation analysis. We find that individual filaments can be made to exert controllable tensile forces along the precession axis. These forces are exploited f…
[Phys. Rev. E 95, 052606] Published Fri May 12, 2017



Phase diagram and aggregation dynamics of a monolayer of paramagnetic colloids

2017-05-12T10:00:00-04:00

Author(s): An T. Pham, Yuan Zhuang, Paige Detwiler, Joshua E. S. Socolar, Patrick Charbonneau, and Benjamin B. Yellen
We have developed a tunable colloidal system and a corresponding theoretical model for studying the phase behavior of particles assembling under the influence of long-range magnetic interactions. A monolayer of paramagnetic particles is subjected to a spatially uniform magnetic field with a static p…
[Phys. Rev. E 95, 052607] Published Fri May 12, 2017



Spreading law on a completely wettable spherical substrate: The energy balance approach

2017-05-12T10:00:00-04:00

Author(s): Masao Iwamatsu
The spreading of a cap-shaped spherical droplet on a completely wettable spherical substrate is studied. The nonequilibrium thermodynamic formulation is used to derive the thermodynamic driving force of spreading including the line-tension effect. Then the energy balance approach is adopted to deriv…
[Phys. Rev. E 95, 052802] Published Fri May 12, 2017



Measuring effective temperatures in a generalized Gibbs ensemble

2017-05-11T10:00:00-04:00

Author(s): Laura Foini, Andrea Gambassi, Robert Konik, and Leticia F. Cugliandolo
The local physical properties of an isolated quantum statistical system in the stationary state reached long after a quench are generically described by the Gibbs ensemble, which involves only its Hamiltonian and the temperature as a parameter. If the system is instead integrable, additional quantit…
[Phys. Rev. E 95, 052116] Published Thu May 11, 2017



Numerical study of the F model with domain-wall boundaries

2017-05-11T10:00:00-04:00

Author(s): Rick Keesman and Jules Lamers
We perform a numerical study of the F model with domain-wall boundary conditions. Various exact results are known for this particular case of the six-vertex model, including closed expressions for the partition function for any system size as well as its asymptotics and leading finite-size correctio…
[Phys. Rev. E 95, 052117] Published Thu May 11, 2017



Capturing Brownian dynamics with an on-lattice model of hard-sphere diffusion

2017-05-11T10:00:00-04:00

Author(s): Claudia Cianci, Stephen Smith, and Ramon Grima
Conventional master equation approaches approximate the diffusion of molecules in continuum space by the process of particles hopping on a spatial lattice. The hopping probability from one voxel (spatial lattice point) to its neighbor is usually considered to be constant throughout space. Such an as…
[Phys. Rev. E 95, 052118] Published Thu May 11, 2017



Recurrence measure of conditional dependence and applications

2017-05-11T10:00:00-04:00

Author(s): Antônio M. T. Ramos, Alejandro Builes-Jaramillo, Germán Poveda, Bedartha Goswami, Elbert E. N. Macau, Jürgen Kurths, and Norbert Marwan
Identifying causal relations from observational data sets has posed great challenges in data-driven causality inference studies. One of the successful approaches to detect direct coupling in the information theory framework is transfer entropy. However, the core of entropy-based tools lies on the pr…
[Phys. Rev. E 95, 052206] Published Thu May 11, 2017



Hierarchical structure in sharply divided phase space for the piecewise linear map

2017-05-11T10:00:00-04:00

Author(s): Akira Akaishi, Kazuki Aoki, and Akira Shudo
We have studied a two-dimensional piecewise linear map to examine how the hierarchical structure of stable regions affects the slow dynamics in Hamiltonian systems. In the phase space there are infinitely many stable regions, each of which is polygonal-shaped, and the rest is occupied by chaotic orb…
[Phys. Rev. E 95, 052207] Published Thu May 11, 2017



Language competition in a population of migrating agents

2017-05-11T10:00:00-04:00

Author(s): Dorota Lipowska and Adam Lipowski
Influencing various aspects of human activity, migration is associated also with language formation. To examine the mutual interaction of these processes, we study a Naming Game with migrating agents. The dynamics of the model leads to formation of low-mobility clusters, which turns out to break the…
[Phys. Rev. E 95, 052308] Published Thu May 11, 2017



Cyclic public goods games: Compensated coexistence among mutual cheaters stabilized by optimized penalty taxation

2017-05-11T10:00:00-04:00

Author(s): Christopher Griffin and Andrew Belmonte
We study the problem of stabilized coexistence in a three-species public goods game in which each species simultaneously contributes to one public good while freeloading off another public good (“cheating”). The proportional population growth is governed by an appropriately modified replicator equat…
[Phys. Rev. E 95, 052309] Published Thu May 11, 2017



Topology-dependent rationality and quantal response equilibria in structured populations

2017-05-11T10:00:00-04:00

Author(s): Sabin Roman and Markus Brede
Given that the assumption of perfect rationality is rarely met in the real world, we explore a graded notion of rationality in socioecological systems of networked actors. We parametrize an actors' rationality via their place in a social network and quantify system rationality via the average Jensen…
[Phys. Rev. E 95, 052310] Published Thu May 11, 2017



Viral self-assembly pathway and mechanical stress relaxation

2017-05-11T10:00:00-04:00

Author(s): Martin Castelnovo
The final shape of a virus is dictated by the self-assembly pathway of its constituents. Using standard thin-shell elasticity, we highlight the prominent role of the viral shell's spontaneous curvature in determining the assembly pathway. In particular, we demonstrate that the mechanical stress inhe…
[Phys. Rev. E 95, 052405] Published Thu May 11, 2017



Forces and torques on rigid inclusions in an elastic environment: Resulting matrix-mediated interactions, displacements, and rotations

2017-05-11T10:00:00-04:00

Author(s): Mate Puljiz and Andreas M. Menzel
Embedding rigid inclusions into elastic matrix materials is a procedure of high practical relevance, for instance, for the fabrication of elastic composite materials. We theoretically analyze the following situation. Rigid spherical inclusions are enclosed by a homogeneous elastic medium under stick…
[Phys. Rev. E 95, 053002] Published Thu May 11, 2017



Plateau-Rayleigh instability in solids is a simple phase separation

2017-05-11T10:00:00-04:00

Author(s): Chen Xuan and John Biggins
A long elastic cylinder, with radius a and shear-modulus μ, becomes unstable given sufficient surface tension γ. We show this instability can be simply understood by considering the energy, E(λ), of such a cylinder subject to a homogenous longitudinal stretch λ. Although E(λ) has a unique minimum, i…
[Phys. Rev. E 95, 053106] Published Thu May 11, 2017



Towards a unified lattice kinetic scheme for relativistic hydrodynamics

2017-05-11T10:00:00-04:00

Author(s): A. Gabbana, M. Mendoza, S. Succi, and R. Tripiccione
We present a systematic derivation of relativistic lattice kinetic equations for finite-mass particles, reaching close to the zero-mass ultrarelativistic regime treated in the previous literature. Starting from an expansion of the Maxwell-Jüttner distribution on orthogonal polynomials, we perform a …
[Phys. Rev. E 95, 053304] Published Thu May 11, 2017



Measurement of the shell decompression in direct-drive inertial-confinement-fusion implosions

2017-05-10T10:00:00-04:00

Author(s): D. T. Michel, S. X. Hu, A. K. Davis, V. Yu. Glebov, V. N. Goncharov, I. V. Igumenshchev, P. B. Radha, C. Stoeckl, and D. H. Froula
A series of direct-drive implosions performed on OMEGA were used to isolate the effect of an adiabat on the in-flight shell thickness. The maximum in-flight shell thickness was measured to decrease from 75±2 to 60±2μm when the adiabat of the shell was reduced from 6 to 4.5, but when decreasing the a…
[Phys. Rev. E 95, 051202(R)] Published Wed May 10, 2017



Universal spatiotemporal scaling of distortions in a drifting lattice

2017-05-10T10:00:00-04:00

Author(s): Pritha Dolai, Abhik Basu, and Aditi Simha
We study the dynamical response to small distortions of a lattice about its uniform state, drifting through a dissipative medium due to an external force, and show, analytically and numerically, that the fluctuations, both transverse and longitudinal to the direction of the drift, exhibit spatiotemp…
[Phys. Rev. E 95, 052115] Published Wed May 10, 2017



Simple wealth distribution model causing inequality-induced crisis without external shocks

2017-05-10T10:00:00-04:00

Author(s): Henri Benisty
We address the issue of the dynamics of wealth accumulation and economic crisis triggered by extreme inequality, attempting to stick to most possibly intrinsic assumptions. Our general framework is that of pure or modified multiplicative processes, basically geometric Brownian motions. In contrast w…
[Phys. Rev. E 95, 052307] Published Wed May 10, 2017



Delayed bet-hedging resilience strategies under environmental fluctuations

2017-05-10T10:00:00-04:00

Author(s): Masaki Ogura, Masashi Wakaiki, Harvey Rubin, and Victor M. Preciado
Many biological populations, such as bacterial colonies, have developed through evolution a protection mechanism, called bet hedging, to increase their probability of survival under stressful environmental fluctuation. In this context, the concept of preadaptation refers to a common type of bet-hedg…
[Phys. Rev. E 95, 052404] Published Wed May 10, 2017



Diffusion of chiral molecules and propagation of structural chirality in anisotropic liquids

2017-05-10T10:00:00-04:00

Author(s): Mireille Quémener, Tigran Galstian, Thomas Marmin, Victoria Laroche, and Yves L. Dory
Diffusion in nature is usually considered as a smooth redistribution process. However, it appears that the diffusion of chiral molecules and the propagation of chirality may proceed in quite different ways. Indeed, in the present work, unexpected quantization of the spatial concentration of chiral m…
[Phys. Rev. E 95, 052701] Published Wed May 10, 2017



General scaling relations for locomotion in granular media

2017-05-10T10:00:00-04:00

Author(s): James Slonaker, D. Carrington Motley, Qiong Zhang, Stephen Townsend, Carmine Senatore, Karl Iagnemma, and Ken Kamrin

The authors find scaling relations that describe locomotion in granular media for a wide range of problems. Experimental tests and simulations demonstrate the validity of their simple model for rigid wheels of various shapes. An extension to different gravitational environments provides a model relevant for space exploration.

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[Phys. Rev. E 95, 052901] Published Wed May 10, 2017



Wave propagation reversal for wavy vortices in wide-gap counter-rotating cylindrical Couette flow

2017-05-10T10:00:00-04:00

Author(s): S. Altmeyer and Richard M. Lueptow
We present a numerical study of wavy supercritical cylindrical Couette flow between counter-rotating cylinders in which the wavy pattern propagates either prograde with the inner cylinder or retrograde opposite the rotation of the inner cylinder. The wave propagation reversals from prograde to retro…
[Phys. Rev. E 95, 053103] Published Wed May 10, 2017



Radiation dynamics of a cavitation bubble in a liquid-filled cavity surrounded by an elastic solid

2017-05-10T10:00:00-04:00

Author(s): Catherine Drysdale, Alexander A. Doinikov, and Philippe Marmottant
A specific cavitation phenomenon occurs inside the stems of trees. The internal pressure in tree conduits can drop down to significant negative values, which causes the nucleation of bubbles. The bubbles exhibit high-frequency oscillations just after their nucleation. In the present study, this phen…
[Phys. Rev. E 95, 053104] Published Wed May 10, 2017



Numerical simulations of vesicle and bubble dynamics in two-dimensional four-roll mill flows

2017-05-10T10:00:00-04:00

Author(s): Yongsam Kim, Ming-Chih Lai, and Yunchang Seol
We use a computational technique based on the immersed boundary method to construct a four-roll mill device with which we can generate a broad spectrum of flow types from an extensional flow to a rotational one. We put a vesicle or a bubble in the constructed four-roll mill device to investigate the…
[Phys. Rev. E 95, 053105] Published Wed May 10, 2017



Estimating higher-order structure functions from geophysical turbulence time series: Confronting the curse of the limited sample size

2017-05-09T10:00:00-04:00

Author(s): Adam W. DeMarco and Sukanta Basu
Utilizing synthetically generated random variates and laboratory measurements, we document the inherent limitations of the conventional structure function approach in limited sample size settings. We demonstrate that an alternative approach, based on the principle of maximum likelihood, can provide …
[Phys. Rev. E 95, 052114] Published Tue May 09, 2017



Social contagions on time-varying community networks

2017-05-09T10:00:00-04:00

Author(s): Mian-Xin Liu, Wei Wang, Ying Liu, Ming Tang, Shi-Min Cai, and Hai-Feng Zhang
Time-varying community structures exist widely in real-world networks. However, previous studies on the dynamics of spreading seldom took this characteristic into account, especially those on social contagions. To study the effects of time-varying community structures on social contagions, we propos…
[Phys. Rev. E 95, 052306] Published Tue May 09, 2017



Tracer diffusion in active suspensions

2017-05-09T10:00:00-04:00

Author(s): Eric W. Burkholder and John F. Brady
We study the diffusion of a Brownian probe particle of size R in a dilute dispersion of active Brownian particles of size a, characteristic swim speed U_{0}, reorientation time τ_{R}, and mechanical energy k_{s}T_{s}=ζ_{a}U_{0}^{2}τ_{R}/6, where ζ_{a} is the Stokes drag coefficient of a swimmer. The…
[Phys. Rev. E 95, 052605] Published Tue May 09, 2017



Magnetohydrodynamics of laser-produced high-energy-density plasma in a strong external magnetic field

2017-05-09T10:00:00-04:00

Author(s): Kazuki Matsuo, Hideo Nagatomo, Zhe Zhang, Philippe Nicolai, Takayoshi Sano, Shohei Sakata, Sadaoki Kojima, Seung Ho Lee, King Fai Farley Law, Yasunobu Arikawa, Youichi Sakawa, Taichi Morita, Yasuhiro Kuramitsu, Shinsuke Fujioka, and Hiroshi Azechi
Recent progress in the generation in the laboratory of a strong (>100-T) magnetic field enables us to investigate experimentally unexplored magnetohydrodynamics phenomena of a high-energy-density plasma, which an external magnetic field of 200–300 T notably affects due to anisotropic thermal conducti…
[Phys. Rev. E 95, 053204] Published Tue May 09, 2017



Production of high-angular-momentum electron beams in laser-plasma interactions

2017-05-09T10:00:00-04:00

Author(s): L. B. Ju, C. T. Zhou, T. W. Huang, K. Jiang, H. Zhang, S. Z. Wu, B. Qiao, and S. C. Ruan
It was shown that in the interactions of ultra-intense circularly polarized laser pulse with the near-critical plasmas, the angular momentum can be transferred efficiently from the laser beam to electrons through the resonance acceleration process. The transferred angular momentum increases almost l…
[Phys. Rev. E 95, 053205] Published Tue May 09, 2017



Grain coarsening in two-dimensional phase-field models with an orientation field

2017-05-09T10:00:00-04:00

Author(s): Bálint Korbuly, Tamás Pusztai, Hervé Henry, Mathis Plapp, Markus Apel, and László Gránásy
In the literature, contradictory results have been published regarding the form of the limiting (long-time) grain size distribution (LGSD) that characterizes the late stage grain coarsening in two-dimensional and quasi-two-dimensional polycrystalline systems. While experiments and the phase-field cr…
[Phys. Rev. E 95, 053303] Published Tue May 09, 2017



Plasma high-order-harmonic generation from ultraintense laser pulses

2017-05-08T10:00:00-04:00

Author(s): Suo Tang, Naveen Kumar, and Christoph H. Keitel
Plasma high-order-harmonic generation from an extremely intense short-pulse laser is explored by including the effects of ion motion, electron-ion collisions, and radiation reaction force in the plasma dynamics. The laser radiation pressure induces plasma ion motion through the hole-boring effect, r…
[Phys. Rev. E 95, 051201(R)] Published Mon May 08, 2017



Memory-induced diffusive-superdiffusive transition: Ensemble and time-averaged observables

2017-05-08T10:00:00-04:00

Author(s): Adrián A. Budini
The ensemble properties and time-averaged observables of a memory-induced diffusive-superdiffusive transition are studied. The model consists in a random walker whose transitions in a given direction depend on a weighted linear combination of the number of both right and left previous transitions. T…
[Phys. Rev. E 95, 052110] Published Mon May 08, 2017



Experimental investigations and phase-field simulations of triple-phase-separation kinetics within liquid ternary Co-Cu-Pb immiscible alloys

2017-05-08T10:00:00-04:00

Author(s): Y. H. Wu, W. L. Wang, N. Yan, and B. Wei
The phase-separation kinetics and microstructure evolution mechanisms of liquid ternary Co_{43}Cu_{40}Pb_{17} immiscible alloys are investigated by both the drop tube technique and phase-field method. Two successive phase separations take place during droplet falling and lead to the formation of a t…
[Phys. Rev. E 95, 052111] Published Mon May 08, 2017



Composition law of κ-entropy for statistically independent systems

2017-05-08T10:00:00-04:00

Author(s): G. Kaniadakis, A. M. Scarfone, A. Sparavigna, and T. Wada
The intriguing and still open question concerning the composition law of κ-entropy S_{κ}(f)=1/2κ∑_{i}(f_{i}^{1−κ}−f_{i}^{1+κ}) with 0
[Phys. Rev. E 95, 052112] Published Mon May 08, 2017



Viscosity of a classical gas: The rare-collision versus the frequent-collision regime

2017-05-08T10:00:00-04:00

Author(s): A. G. Magner, M. I. Gorenstein, and U. V. Grygoriev
The shear viscosity η for a dilute classical gas of hard-sphere particles is calculated by solving the Boltzmann kinetic equation in terms of the weakly absorbed plane waves. For the rare-collision regime, the viscosity η as a function of the equilibrium gas parameters—temperature T, particle number…
[Phys. Rev. E 95, 052113] Published Mon May 08, 2017



Designing nucleosomal force sensors

2017-05-08T10:00:00-04:00

Author(s): M. Tompitak, L. de Bruin, B. Eslami-Mossallam, and H. Schiessel

The authors used a recently developed computational method to design a model nucleosome in which the DNA strand remains stably wrapped around the eight proteins in the octamer when no force is applied, but quickly unwraps under external tension. The work suggests the possibility that DNA sequences may have evolved on real genomes to affect physical properties of the nucleosome.

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[Phys. Rev. E 95, 052402] Published Mon May 08, 2017



Robustness of synthetic oscillators in growing and dividing cells

2017-05-08T10:00:00-04:00

Author(s): Joris Paijmans, David K. Lubensky, and Pieter Rein ten Wolde
Synthetic biology sets out to implement new functions in cells, and to develop a deeper understanding of biological design principles. Elowitz and Leibler [Nature (London) 403, 335 (2000)] showed that by rational design of the reaction network, and using existing biological components, they could cr…
[Phys. Rev. E 95, 052403] Published Mon May 08, 2017



Role of the displacement current on Warburg-type behavior

2017-05-08T10:00:00-04:00

Author(s): I. Lelidis and G. Barbero
We investigate the role of the displacement current in the analysis of the electric response of an electrolytic cell to an external stimulus. We show that several models proposed to interpret the spectra deduced by means of the impedance spectroscopy technique are questionable. In particular, we dem…
[Phys. Rev. E 95, 052604] Published Mon May 08, 2017



Macroscopically constrained Wang-Landau method for systems with multiple order parameters and its application to drawing complex phase diagrams

2017-05-08T10:00:00-04:00

Author(s): C. H. Chan, G. Brown, and P. A. Rikvold
A generalized approach to Wang-Landau simulations, macroscopically constrained Wang-Landau, is proposed to simulate the density of states of a system with multiple macroscopic order parameters. The method breaks a multidimensional random-walk process in phase space into many separate, one-dimensiona…
[Phys. Rev. E 95, 053302] Published Mon May 08, 2017



Anomalous diffusion on a fractal mesh

2017-05-05T10:00:00-04:00

Author(s): Trifce Sandev, Alexander Iomin, and Holger Kantz
We present exact analytical results for properties of anomalous diffusion on a fractal mesh. The fractal mesh structure is a direct product of two fractal sets, one belonging to a main branch of backbones, the other to the side branches of fingers. Both fractal sets are constructed on the entire (in…
[Phys. Rev. E 95, 052107] Published Fri May 05, 2017



Asymptotic prime partitions of integers

2017-05-05T10:00:00-04:00

Author(s): Johann Bartel, R. K. Bhaduri, Matthias Brack, and M. V. N. Murthy
In this paper, we discuss P(n), the number of ways a given integer n may be written as a sum of primes. In particular, an asymptotic form P_{as}(n) valid for n→∞ is obtained analytically using standard techniques of quantum statistical mechanics. First, the bosonic partition function of primes, or t…
[Phys. Rev. E 95, 052108] Published Fri May 05, 2017



Kinetic percolation

2017-05-05T10:00:00-04:00

Author(s): W. R. Heinson, A. Chakrabarti, and C. M. Sorensen
We demonstrate that kinetic aggregation forms superaggregates that have structures identical to static percolation aggregates, and these superaggregates appear as a separate phase in the size distribution. Diffusion limited cluster-cluster aggregation (DLCA) simulations were performed to yield fract…
[Phys. Rev. E 95, 052109] Published Fri May 05, 2017



Noise-induced transitions in a double-well excitable oscillator

2017-05-05T10:00:00-04:00

Author(s): Vladimir V. Semenov
The model of a double-well oscillator with nonlinear dissipation is studied. The self-sustained oscillation regime and the excitable one are described. The first regime consists of the coexistence of two stable limit cycles in the phase space, which correspond to self-sustained oscillations of the p…
[Phys. Rev. E 95, 052205] Published Fri May 05, 2017



Optimal cost for strengthening or destroying a given network

2017-05-05T10:00:00-04:00

Author(s): Amikam Patron, Reuven Cohen, Daqing Li, and Shlomo Havlin
Strengthening or destroying a network is a very important issue in designing resilient networks or in planning attacks against networks, including planning strategies to immunize a network against diseases, viruses, etc. Here we develop a method for strengthening or destroying a random network with …
[Phys. Rev. E 95, 052305] Published Fri May 05, 2017



Recovery of mechanical pressure in a gas of underdamped active dumbbells with Brownian noise

2017-05-05T10:00:00-04:00

Author(s): Marc Joyeux
In contrast with a gas at thermodynamic equilibrium, the mean force exerted on a wall by a gas of active particles usually depends on the confining potential, thereby preventing a proper definition of mechanical pressure. In this paper, we investigate numerically the properties of a gas of underdamp…
[Phys. Rev. E 95, 052603] Published Fri May 05, 2017