Subscribe: Recent Articles in Phys. Rev. E
http://feeds.aps.org/rss/recent/pre.xml
Added By: Feedage Forager Feedage Grade B rated
Language: English
Tags:
author  jan  model  phys rev  phys  published thu  published tue  published  rev published  rev  thu jan  tue jan  tue 
Rate this Feed
Rate this feedRate this feedRate this feedRate this feedRate this feed
Rate this feed 1 starRate this feed 2 starRate this feed 3 starRate this feed 4 starRate this feed 5 star

Comments (0)

Feed Details and Statistics Feed Statistics
Preview: Recent Articles in Phys. Rev. E

Recent Articles in Phys. Rev. E



Recent articles in Physical Review E



Published: 2017-01-19T11:48:15-05:00

 



Critical phenomena on k-booklets

2017-01-19T10:00:00-05:00

Author(s): Peter Grassberger
We define a “k-booklet” to be a set of k semi-infinite planes with −∞
[Phys. Rev. E 95, 010102(R)] Published Thu Jan 19, 2017



Stochastically gated local and occupation times of a Brownian particle

2017-01-19T10:00:00-05:00

Author(s): Paul C. Bressloff
We generalize the Feynman-Kac formula to analyze the local and occupation times of a Brownian particle moving in a stochastically gated one-dimensional domain. (i) The gated local time is defined as the amount of time spent by the particle in the neighborhood of a point in space where there is some …
[Phys. Rev. E 95, 012130] Published Thu Jan 19, 2017



Steady-state thermodynamics for population growth in fluctuating environments

2017-01-19T10:00:00-05:00

Author(s): Yuki Sughiyama and Tetsuya J. Kobayashi
We report that population dynamics in fluctuating environments is characterized by a mathematically equivalent structure to steady-state thermodynamics. By employing the structure, population growth in fluctuating environments is decomposed into housekeeping and excess parts. The housekeeping part r…
[Phys. Rev. E 95, 012131] Published Thu Jan 19, 2017



Tracer counterpermeation analysis of diffusivity in finite-length nanopores with and without single-file dynamics

2017-01-19T10:00:00-05:00

Author(s): David M. Ackerman and James W. Evans
We perform a tracer counterpermeation (TCP) analysis for a stochastic model of diffusive transport through a narrow linear pore where passing of species within the pore is inhibited or even excluded (single-file diffusion). TCP involves differently labeled but otherwise identical particles from two …
[Phys. Rev. E 95, 012132] Published Thu Jan 19, 2017



Measurements of the stabilities of isolated retinal chromophores

2017-01-19T10:00:00-05:00

Author(s): L. Musbat, M. Nihamkin, Y. Toker, J. M. Dilger, D. R. Fuller, T. J. El-Baba, D. E. Clemmer, S. Sarkar, L. Kronik, A. Hirshfeld, N. Friedman, and M. Sheves
The barrier energies for isomerization and fragmentation were measured for a series of retinal chromophore derivatives using a tandem ion mobility spectrometry approach. These measurements allow us to quantify the effect of charge delocalization on the rigidity of chromophores. We find that the role…
[Phys. Rev. E 95, 012406] Published Thu Jan 19, 2017



Scaling features of the tribology of polymer brushes of increasing grafting density around the mushroom-to-brush transition

2017-01-19T10:00:00-05:00

Author(s): E. Mayoral, J. Klapp, and A. Gama Goicochea
Nonequilibrium coarse-grained, dissipative particle dynamics simulations of complex fluids, made up of polymer brushes tethered to planar surfaces immersed in a solvent yield nonmonotonic behavior of the friction coefficient as a function of the polymer grating density on the substrates, Γ, while th…
[Phys. Rev. E 95, 012505] Published Thu Jan 19, 2017



Charge segregation in weakly ionized microgels

2017-01-19T10:00:00-05:00

Author(s): John S. Hyatt, Alison M. Douglas, Chris Stanley, Changwoo Do, Thomas H. Barker, and Alberto Fernández-Nieves
We investigate microgels synthesized from N-isopropylacrylamide (NIPAM) copolymerized with a large mol% of acrylic acid, finding that when the acid groups are partially ionized at high temperatures, competition between ion-induced swelling and hydrophobic deswelling of poly(NIPAM) chains results in …
[Phys. Rev. E 95, 012608] Published Thu Jan 19, 2017



Birefringence in the vicinity of the smectic-A to smectic-C phase transition: Crossover from XY critical to tricritical behavior

2017-01-19T10:00:00-05:00

Author(s): Malay Kumar Das, Susanta Chakraborty, Roman Dabrowski, and Michał Czerwiński
High-resolution birefringence (Δn) measurements are carried out to probe the critical behavior at the smectic-A–smectic-C (Sm-A–Sm-C) phase transition in a binary system. The critical behavior of this transition is explored with the aid of a differential quotient extracted from the Δn values. The re…
[Phys. Rev. E 95, 012705] Published Thu Jan 19, 2017



Spontaneous generation of temperature anisotropy in a strongly coupled magnetized plasma

2017-01-19T10:00:00-05:00

Author(s): T. Ott, M. Bonitz, P. Hartmann, and Z. Donkó
A magnetic field was recently shown to enhance field-parallel heat conduction in a strongly correlated plasma whereas cross-field conduction is reduced. Here we show that in such plasmas, the magnetic field has the additional effect of inhibiting the isotropization process between field-parallel and…
[Phys. Rev. E 95, 013209] Published Thu Jan 19, 2017



Stochastic boundary approaches to many-particle systems coupled to a particle reservoir

2017-01-18T10:00:00-05:00

Author(s): Tooru Taniguchi and Shin-ichi Sawada
Stochastic boundary conditions for interactions with a particle reservoir are discussed in many-particle systems. We introduce the boundary conditions with the injection rate and the momentum distribution of particles coming from a particle reservoir in terms of the pressure and the temperature of t…
[Phys. Rev. E 95, 012128] Published Wed Jan 18, 2017



Supersymmetric spin chains with nonmonotonic dispersion relation: Criticality and entanglement entropy

2017-01-18T10:00:00-05:00

Author(s): José A. Carrasco, Federico Finkel, Artemio González-López, and Miguel A. Rodríguez
We study the critical behavior and the ground-state entanglement of a large class of su(1|1) supersymmetric spin chains with a general (not necessarily monotonic) dispersion relation. We show that this class includes several relevant models, with both short- and long-range interactions of a simple f…
[Phys. Rev. E 95, 012129] Published Wed Jan 18, 2017



Fundamental difference between superblockers and superspreaders in networks

2017-01-18T10:00:00-05:00

Author(s): Filippo Radicchi and Claudio Castellano
Two important problems regarding spreading phenomena in complex topologies are the optimal selection of node sets either to minimize or maximize the extent of outbreaks. Both problems are nontrivial when a small fraction of the nodes in the network can be used to achieve the desired goal. The minimi…
[Phys. Rev. E 95, 012318] Published Wed Jan 18, 2017



Transverse vibration of nematic elastomer Timoshenko beams

2017-01-18T10:00:00-05:00

Author(s): Dong Zhao, Ying Liu, and Chuang Liu
Being a rubber-like liquid crystalline elastomer, a nematic elastomer (NE) is anisotropic viscoelastic, and displays dynamic soft elasticity. In this paper, the transverse vibration of a NE Timoshenko beam is studied based on the linear viscoelasticity theory of nematic elastomers. The governing equ…
[Phys. Rev. E 95, 012703] Published Wed Jan 18, 2017



Channelization in porous media driven by erosion and deposition

2017-01-18T10:00:00-05:00

Author(s): R. Jäger, M. Mendoza, and H. J. Herrmann
We develop and validate a new model to study simultaneous erosion and deposition in three-dimensional porous media. We study the changes of the porous structure induced by the deposition and erosion of matter on the solid surface and find that when both processes are active, channelization in the po…
[Phys. Rev. E 95, 013110] Published Wed Jan 18, 2017



Publisher's Note: Regularity criterion for solutions of the three-dimensional Cahn-Hilliard-Navier-Stokes equations and associated computations [Phys. Rev. E 94, 063103 (2016)]

2017-01-18T10:00:00-05:00

Author(s): John D. Gibbon, Nairita Pal, Anupam Gupta, and Rahul Pandit
[Phys. Rev. E 95, 019902] Published Wed Jan 18, 2017



Nonvariational mechanism of front propagation: Theory and experiments

2017-01-17T10:00:00-05:00

Author(s): A. J. Alvarez-Socorro, M. G. Clerc, G. González-Cortés, and M. Wilson
Multistable systems exhibit a rich front dynamics between equilibria. In one-dimensional scalar gradient systems, the spread of the fronts is proportional to the energy difference between equilibria. Fronts spreading proportionally to the energetic difference between equilibria is a characteristic o…
[Phys. Rev. E 95, 010202(R)] Published Tue Jan 17, 2017



Ferromagnetic model on the Apollonian packing

2017-01-17T10:00:00-05:00

Author(s): Rafael S. Oliveira and Roberto F. S. Andrade
This work investigates the influence of geometrical features of the Apollonian packing (AP) on the behavior of magnetic models. The proposed model differs from previous investigations on the Apollonian network (AN), where the magnetic coupling constants depend only on the properties of the network s…
[Phys. Rev. E 95, 012123] Published Tue Jan 17, 2017



Stochastic Liouville equation for particles driven by dichotomous environmental noise

2017-01-17T10:00:00-05:00

Author(s): Paul C. Bressloff
We analyze the stochastic dynamics of a large population of noninteracting particles driven by a global environmental input in the form of a dichotomous Markov noise process (DMNP). The population density of particle states evolves according to a stochastic Liouville equation with respect to differe…
[Phys. Rev. E 95, 012124] Published Tue Jan 17, 2017



Physics of negative absolute temperatures

2017-01-17T10:00:00-05:00

Author(s): Eitan Abraham and Oliver Penrose
Negative absolute temperatures were introduced into experimental physics by Purcell and Pound, who successfully applied this concept to nuclear spins; nevertheless, the concept has proved controversial: a recent article aroused considerable interest by its claim, based on a classical entropy formula…
[Phys. Rev. E 95, 012125] Published Tue Jan 17, 2017



Radiative heat transfer as a Landauer-Büttiker problem

2017-01-17T10:00:00-05:00

Author(s): Han Hoe Yap and Jian-Sheng Wang
We study the radiative heat transfer between two semi-infinite half-spaces, bounded by conductive surfaces in contact with vacuum. This setup is interpreted as a four-terminal mesoscopic transport problem. The slabs and interfaces are viewed as bosonic reservoirs, coupled perfectly to a scattering c…
[Phys. Rev. E 95, 012126] Published Tue Jan 17, 2017



Next-to-leading-order corrections to capacity for a nondispersive nonlinear optical fiber channel in the intermediate power region

2017-01-17T10:00:00-05:00

Author(s): A. A. Panarin, A. V. Reznichenko, and I. S. Terekhov
We consider the optical fiber channel modeled by the nonlinear Schrödinger equation with zero dispersion and additive Gaussian noise. Using the Feynman path-integral approach for the model, we find corrections to conditional probability density function, output signal distribution, conditional and o…
[Phys. Rev. E 95, 012127] Published Tue Jan 17, 2017



Subtle escaping modes and subset of patterns from a nonhyperbolic chaotic attractor

2017-01-17T10:00:00-05:00

Author(s): Zhen Chen and Xianbin Liu
Noise-induced escape from the domain of attraction of a nonhyperbolic chaotic attractor in a periodically excited nonlinear oscillator is further investigated. Deviations are found to be amplified at the primary homoclinic tangency from which the optimal force begins to fluctuate dramatically. Escap…
[Phys. Rev. E 95, 012208] Published Tue Jan 17, 2017



Analysis of the classical phase space and energy transfer for two rotating dipoles with and without external electric field

2017-01-17T10:00:00-05:00

Author(s): Rosario González-Férez, Manuel Iñarrea, J. Pablo Salas, and Peter Schmelcher
We explore the classical dynamics of two interacting rotating dipoles that are fixed in the space and exposed to an external homogeneous electric field. Kinetic energy transfer mechanisms between the dipoles are investigated by varying both the amount of initial excess kinetic energy of one of them …
[Phys. Rev. E 95, 012209] Published Tue Jan 17, 2017



Clustering determines the dynamics of complex contagions in multiplex networks

2017-01-17T10:00:00-05:00

Author(s): Yong Zhuang, Alex Arenas, and Osman Yağan
We present the mathematical analysis of generalized complex contagions in a class of clustered multiplex networks. The model is intended to understand spread of influence, or any other spreading process implying a threshold dynamics, in setups of interconnected networks with significant clustering. …
[Phys. Rev. E 95, 012312] Published Tue Jan 17, 2017



Effective distances for epidemics spreading on complex networks

2017-01-17T10:00:00-05:00

Author(s): Flavio Iannelli, Andreas Koher, Dirk Brockmann, Philipp Hövel, and Igor M. Sokolov
We show that the recently introduced logarithmic metrics used to predict disease arrival times on complex networks are approximations of more general network-based measures derived from random walks theory. Using the daily air-traffic transportation data we perform numerical experiments to compare t…
[Phys. Rev. E 95, 012313] Published Tue Jan 17, 2017



Exotic phase transitions of k-cores in clustered networks

2017-01-17T10:00:00-05:00

Author(s): Uttam Bhat, Munik Shrestha, and Laurent Hébert-Dufresne
The giant k-core—maximal connected subgraph of a network where each node has at least k neighbors—is important in the study of phase transitions and in applications of network theory. Unlike Erdős-Rényi graphs and other random networks where k-cores emerge discontinuously for k≥3, we show that trans…
[Phys. Rev. E 95, 012314] Published Tue Jan 17, 2017



Robustness and fragility in coupled oscillator networks under targeted attacks

2017-01-17T10:00:00-05:00

Author(s): Tianyu Yuan, Kazuyuki Aihara, and Gouhei Tanaka
The dynamical tolerance of coupled oscillator networks against local failures is studied. As the fraction of failed oscillator nodes gradually increases, the mean oscillation amplitude in the entire network decreases and then suddenly vanishes at a critical fraction as a phase transition. This criti…
[Phys. Rev. E 95, 012315] Published Tue Jan 17, 2017



Network clustering and community detection using modulus of families of loops

2017-01-17T10:00:00-05:00

Author(s): Heman Shakeri, Pietro Poggi-Corradini, Nathan Albin, and Caterina Scoglio
We study the structure of loops in networks using the notion of modulus of loop families. We introduce an alternate measure of network clustering by quantifying the richness of families of (simple) loops. Modulus tries to minimize the expected overlap among loops by spreading the expected link usage…
[Phys. Rev. E 95, 012316] Published Tue Jan 17, 2017



Nonparametric Bayesian inference of the microcanonical stochastic block model

2017-01-17T10:00:00-05:00

Author(s): Tiago P. Peixoto
A principled approach to characterize the hidden modular structure of networks is to formulate generative models and then infer their parameters from data. When the desired structure is composed of modules or “communities,” a suitable choice for this task is the stochastic block model (SBM), where n…
[Phys. Rev. E 95, 012317] Published Tue Jan 17, 2017



Dynamic model for kinesin-mediated long-range transport and its local traffic jam caused by tau proteins

2017-01-17T10:00:00-05:00

Author(s): Woochul Nam and Bogdan I. Epureanu
In neurons, several intracellular cargoes are transported by motor proteins (kinesins) which walk on microtubules (MTs). However, kinesins can possibly unbind from the MTs before they reach their destinations. The unbound kinesins randomly diffuse in neurons until they bind to MTs. Then, they walk a…
[Phys. Rev. E 95, 012405] Published Tue Jan 17, 2017



Collective transport for active matter run-and-tumble disk systems on a traveling-wave substrate

2017-01-17T10:00:00-05:00

Author(s): Cs. Sándor, A. Libál, C. Reichhardt, and C. J. Olson Reichhardt
We examine numerically the transport of an assembly of active run-and-tumble disks interacting with a traveling-wave substrate. We show that as a function of substrate strength, wave speed, disk activity, and disk density, a variety of dynamical phases arise that are correlated with the structure an…
[Phys. Rev. E 95, 012607] Published Tue Jan 17, 2017



Effect of curvature on cholesteric liquid crystals in toroidal geometries

2017-01-17T10:00:00-05:00

Author(s): Ana R. Fialho, Nelson R. Bernardino, Nuno M. Silvestre, and Margarida M. Telo da Gama
The confinement of liquid crystals inside curved geometries leads to exotic structures, with applications ranging from biosensors to optical switches and privacy windows. Here we study how curvature affects the alignment of a cholesteric liquid crystal. We model the system on the mesoscale using the…
[Phys. Rev. E 95, 012702] Published Tue Jan 17, 2017



Mechanical stability of particle-stabilized droplets under micropipette aspiration

2017-01-17T10:00:00-05:00

Author(s): Niveditha Samudrala, Jin Nam, Raphaël Sarfati, Robert W. Style, and Eric R. Dufresne
We investigate the mechanical behavior of particle-stabilized droplets using micropipette aspiration. We observe that droplets stabilized with amphiphilic dumbbell-shaped particles exhibit a two-stage response to increasing suction pressure. Droplets first drip, then wrinkle and buckle like an elast…
[Phys. Rev. E 95, 012805] Published Tue Jan 17, 2017



Impact of diffusion on surface clustering in random hydrodynamic flows

2017-01-17T10:00:00-05:00

Author(s): V. I. Klyatskin and K. V. Koshel
Buoyant material clustering in a stochastic flow, which is homogeneous and isotropic in space and stationary in time, is addressed. The dynamics of buoyant material in three-dimensional hydrodynamic flows can be considered as the motion of passive tracers in a compressible two-dimensional velocity f…
[Phys. Rev. E 95, 013109] Published Tue Jan 17, 2017



Radiative transfer dynamo effect

2017-01-17T10:00:00-05:00

Author(s): Vadim R. Munirov and Nathaniel J. Fisch
Magnetic fields in rotating and radiating astrophysical plasma can be produced due to a radiative interaction between plasma layers moving relative to each other. The efficiency of current drive, and with it the associated dynamo effect, is considered in a number of limits. It is shown here, however…
[Phys. Rev. E 95, 013205] Published Tue Jan 17, 2017



Effective potential theory for diffusion in binary ionic mixtures

2017-01-17T10:00:00-05:00

Author(s): Nathaniel R. Shaffer, Scott D. Baalrud, and Jérôme Daligault
Self-diffusion and interdiffusion coefficients of binary ionic mixtures are evaluated using the effective potential theory (EPT), and the predictions are compared with the results of molecular dynamics simulations. We find that EPT agrees with molecular dynamics from weak coupling well into the stro…
[Phys. Rev. E 95, 013206] Published Tue Jan 17, 2017



Coupling between ion-acoustic waves and neutrino oscillations

2017-01-17T10:00:00-05:00

Author(s): Fernando Haas, Kellen Alves Pascoal, and José Tito Mendonça
The work investigates the coupling between ion-acoustic waves and neutrino flavor oscillations in a nonrelativistic electron-ion plasma under the influence of a mixed neutrino beam. Neutrino oscillations are mediated by the flavor polarization vector dynamics in a material medium. The linear dispers…
[Phys. Rev. E 95, 013207] Published Tue Jan 17, 2017



Stimulated Raman scattering in the relativistic regime in near-critical plasmas

2017-01-17T10:00:00-05:00

Author(s): J. G. Moreau, E. d'Humières, R. Nuter, and V. T. Tikhonchuk
Interaction of a high-intensity short laser pulse with near-critical plasmas allows us to achieve extremely high coupling efficiency and transfer laser energy to energetic ions. One-dimensional particle-in-cell simulations are considered to detail the processes involved in the energy transfer. A con…
[Phys. Rev. E 95, 013208] Published Tue Jan 17, 2017



Mori-Zwanzig theory for dissipative forces in coarse-grained dynamics in the Markov limit

2017-01-17T10:00:00-05:00

Author(s): Sergei Izvekov
We derive alternative Markov approximations for the projected (stochastic) force and memory function in the coarse-grained (CG) generalized Langevin equation, which describes the time evolution of the center-of-mass coordinates of clusters of particles in the microscopic ensemble. This is done with …
[Phys. Rev. E 95, 013303] Published Tue Jan 17, 2017



Prediction of the moments in advection-diffusion lattice Boltzmann method. I. Truncation dispersion, skewness, and kurtosis

2017-01-17T10:00:00-05:00

Author(s): Irina Ginzburg
The effect of the heterogeneity in the soil structure or the nonuniformity of the velocity field on the modeled resident time distribution (RTD) and breakthrough curves is quantified by their moments. While the first moment provides the effective velocity, the second moment is related to the longitu…
[Phys. Rev. E 95, 013304] Published Tue Jan 17, 2017



Prediction of the moments in advection-diffusion lattice Boltzmann method. II. Attenuation of the boundary layers via double-Λ bounce-back flux scheme

2017-01-17T10:00:00-05:00

Author(s): Irina Ginzburg
Impact of the unphysical tangential advective-diffusion constraint of the bounce-back (BB) reflection on the impermeable solid surface is examined for the first four moments of concentration. Despite the number of recent improvements for the Neumann condition in the lattice Boltzmann method–advectio…
[Phys. Rev. E 95, 013305] Published Tue Jan 17, 2017



Pulse-noise approach for classical spin systems

2017-01-17T10:00:00-05:00

Author(s): D. A. Garanin
For systems of classical spins interacting with the bath via damping and thermal noise, an approach is suggested to replace the white noise by a pulse noise acting at regular time intervals Δt, within which the system evolves conservatively. The method is working well in the typical case of a small …
[Phys. Rev. E 95, 013306] Published Tue Jan 17, 2017



Simple diffusion hopping model with convection

2017-01-17T10:00:00-05:00

Author(s): Barry W. Fitzgerald, Johan T. Padding, and Rutger van Santen
We present results from a new variant of a diffusion hopping model, the convective diffusive lattice model, to describe the behavior of a particulate flux around bluff obstacles. Particle interactions are constrained to an underlying square lattice where particles are subject to excluded volume cond…
[Phys. Rev. E 95, 013307] Published Tue Jan 17, 2017



Inferring hidden states in Langevin dynamics on large networks: Average case performance

2017-01-13T10:00:00-05:00

Author(s): B. Bravi, M. Opper, and P. Sollich
We present average performance results for dynamical inference problems in large networks, where a set of nodes is hidden while the time trajectories of the others are observed. Examples of this scenario can occur in signal transduction and gene regulation networks. We focus on the linear stochastic…
[Phys. Rev. E 95, 012122] Published Fri Jan 13, 2017



Stable parity-time-symmetric nonlinear modes and excitations in a derivative nonlinear Schrödinger equation

2017-01-13T10:00:00-05:00

Author(s): Yong Chen and Zhenya Yan
The effect of derivative nonlinearity and parity-time-symmetric (PT-symmetric) potentials on the wave propagation dynamics is explored in the derivative nonlinear Schrödinger equation, where the physically interesting Scarf-II and harmonic-Hermite-Gaussian potentials are chosen. We study numerically…
[Phys. Rev. E 95, 012205] Published Fri Jan 13, 2017



Interaction, coalescence, and collapse of localized patterns in a quasi-one-dimensional system of interacting particles

2017-01-13T10:00:00-05:00

Author(s): Tommy Dessup, Christophe Coste, and Michel Saint Jean
We study the path toward equilibrium of pairs of solitary wave envelopes (bubbles) that modulate a regular zigzag pattern in an annular channel. We evidence that bubble pairs are metastable states, which spontaneously evolve toward a stable single bubble. We exhibit the concept of topological frustr…
[Phys. Rev. E 95, 012206] Published Fri Jan 13, 2017



Optimizing synchronization stability of the Kuramoto model in complex networks and power grids

2017-01-13T10:00:00-05:00

Author(s): Bo Li and K. Y. Michael Wong
Maintaining the stability of synchronization state is crucial for the functioning of many natural and artificial systems. In this study, we develop methods to optimize the synchronization stability of the Kuramoto model by minimizing the dominant Lyapunov exponent. Using the recently proposed cut-se…
[Phys. Rev. E 95, 012207] Published Fri Jan 13, 2017



Persistent homology analysis of craze formation

2017-01-13T10:00:00-05:00

Author(s): Takashi Ichinomiya, Ippei Obayashi, and Yasuaki Hiraoka
We apply a persistent homology analysis to investigate the behavior of nanovoids during the crazing process of glassy polymers. We carry out a coarse-grained molecular dynamics simulation of the uniaxial deformation of an amorphous polymer and analyze the results with persistent homology. Persistent…
[Phys. Rev. E 95, 012504] Published Fri Jan 13, 2017



Experimental observation of oscillatory cellular patterns in three-dimensional directional solidification

2017-01-13T10:00:00-05:00

Author(s): J. Pereda, F. L. Mota, L. Chen, B. Billia, D. Tourret, Y. Song, J.-M. Debierre, R. Guérin, A. Karma, R. Trivedi, and N. Bergeon
We present a detailed analysis of oscillatory modes during three-dimensional cellular growth in a diffusive transport regime. We ground our analysis primarily on in situ observations of directional solidification experiments of a transparent succinonitrile 0.24wt% camphor alloy performed in microgra…
[Phys. Rev. E 95, 012803] Published Fri Jan 13, 2017



Adsorption-induced shape transitions in bistable nanopores with atomically thin walls

2017-01-13T10:00:00-05:00

Author(s): Oleg E. Shklyaev, Milton W. Cole, and Vincent H. Crespi
Atomically thin cylindrical nanopores can change shape in response to physically adsorbed gas inside. Coupled to a gas reservoir, an initially collapsed pore can expand to allow the adsorbed gas to form concentric shells on the inner part of the pore, driven by adsorption energetics, not gas pressur…
[Phys. Rev. E 95, 012804] Published Fri Jan 13, 2017



Beyond Flory theory: Distribution functions for interacting lattice trees

2017-01-12T10:00:00-05:00

Author(s): Angelo Rosa and Ralf Everaers

The authors establish a framework for calculating distribution functions for quantities characterizing conformation and connectivity of randomly branched and interacting lattice trees or polymers. The work expands the analysis of Flory theory, which is widely used to calculate average values of such quantities.

(image)
[Phys. Rev. E 95, 012117] Published Thu Jan 12, 2017



Percolation of binary disk systems: Modeling and theory

2017-01-12T10:00:00-05:00

Author(s): Kelsey Meeks, John Tencer, and Michelle L. Pantoya
The dispersion and connectivity of particles with a high degree of polydispersity is relevant to problems involving composite material properties and reaction decomposition prediction and has been the subject of much study in the literature. This work utilizes Monte Carlo models to predict percolati…
[Phys. Rev. E 95, 012118] Published Thu Jan 12, 2017



Quantum Kramers model: Corrections to the linear response theory for continuous bath spectrum

2017-01-12T10:00:00-05:00

Author(s): Ilya Rips
Decay of the metastable state is analyzed within the quantum Kramers model in the weak-to-intermediate dissipation regime. The decay kinetics in this regime is determined by energy exchange between the unstable mode and the stable modes of thermal bath. In our previous paper [Phys. Rev. A 42, 4427 (…
[Phys. Rev. E 95, 012119] Published Thu Jan 12, 2017



Aging underdamped scaled Brownian motion: Ensemble- and time-averaged particle displacements, nonergodicity, and the failure of the overdamping approximation

2017-01-12T10:00:00-05:00

Author(s): Hadiseh Safdari, Andrey G. Cherstvy, Aleksei V. Chechkin, Anna Bodrova, and Ralf Metzler
We investigate both analytically and by computer simulations the ensemble- and time-averaged, nonergodic, and aging properties of massive particles diffusing in a medium with a time dependent diffusivity. We call this stochastic diffusion process the (aging) underdamped scaled Brownian motion (UDSBM…
[Phys. Rev. E 95, 012120] Published Thu Jan 12, 2017



Diffusion of a Rouse chain in porous media: A mode-coupling-theory study

2017-01-12T10:00:00-05:00

Author(s): Huai Ding, Huijun Jiang, Nanrong Zhao, and Zhonghuai Hou
We use a kinetic mode-coupling theory (MCT) combining with generalized Langevin equation (GLE) to study the diffusion and conformational dynamics of a bead-spring Rouse chain (RC) dissolved in porous media. The media contains fluid particles and immobile matrix ones wherein the latter leads to the l…
[Phys. Rev. E 95, 012121] Published Thu Jan 12, 2017



Effect of similarity between patterns in associative memory

2017-01-12T10:00:00-05:00

Author(s): Sheng-Jun Wang and Zhou Yang
We study the stability of patterns in Hopfield networks in which a part of memorized patterns are similar. The similarity between patterns impacts the stability of these patterns, but the stability of other independent patterns is only changed slightly. We show that the stability of patterns is affe…
[Phys. Rev. E 95, 012309] Published Thu Jan 12, 2017



Approximate-master-equation approach for the Kinouchi-Copelli neural model on networks

2017-01-12T10:00:00-05:00

Author(s): Chong-Yang Wang, Zhi-Xi Wu, and Michael Z. Q. Chen
In this work, we use the approximate-master-equation approach to study the dynamics of the Kinouchi-Copelli neural model on various networks. By categorizing each neuron in terms of its state and also the states of its neighbors, we are able to uncover how the coupled system evolves with respective …
[Phys. Rev. E 95, 012310] Published Thu Jan 12, 2017



Mechanisms of jamming in the Nagel-Schreckenberg model for traffic flow

2017-01-12T10:00:00-05:00

Author(s): Henrik M. Bette, Lars Habel, Thorsten Emig, and Michael Schreckenberg
We study the Nagel-Schreckenberg cellular automata model for traffic flow by both simulations and analytical techniques. To better understand the nature of the jamming transition, we analyze the fraction of stopped cars P(v=0) as a function of the mean car density. We present a simple argument that …
[Phys. Rev. E 95, 012311] Published Thu Jan 12, 2017



Key-lock colloids in a nematic liquid crystal

2017-01-12T10:00:00-05:00

Author(s): Nuno M. Silvestre and M. Tasinkevych
The Landau–de Gennes free energy is used to study theoretically the effective interaction of spherical “key” and anisotropic “lock” colloidal particles. We assume identical anchoring properties of the surfaces of the key and of the lock particles, and we consider planar degenerate and perpendicular …
[Phys. Rev. E 95, 012606] Published Thu Jan 12, 2017



Inertia and universality of avalanche statistics: The case of slowly deformed amorphous solids

2017-01-12T10:00:00-05:00

Author(s): Kamran Karimi, Ezequiel E. Ferrero, and Jean-Louis Barrat
By means of a finite elements technique we solve numerically the dynamics of an amorphous solid under deformation in the quasistatic driving limit. We study the noise statistics of the stress-strain signal in the steady-state plastic flow, focusing on systems with low internal dissipation. We analyz…
[Phys. Rev. E 95, 013003] Published Thu Jan 12, 2017



Double inverse stochastic resonance with dynamic synapses

2017-01-11T10:00:00-05:00

Author(s): Muhammet Uzuntarla, Joaquin J. Torres, Paul So, Mahmut Ozer, and Ernest Barreto
We investigate the behavior of a model neuron that receives a biophysically realistic noisy postsynaptic current based on uncorrelated spiking activity from a large number of afferents. We show that, with static synapses, such noise can give rise to inverse stochastic resonance (ISR) as a function o…
[Phys. Rev. E 95, 012404] Published Wed Jan 11, 2017



Geometry and design of origami bellows with tunable response

2017-01-11T10:00:00-05:00

Author(s): Austin Reid, Frederic Lechenault, Sergio Rica, and Mokhtar Adda-Bedia

This analytical and experimental study should be useful in designing deployable origami bellows for a variety of applications. The authors present a unified geometrical description of several classes of origami bellows and identify parameters that control their properties. In addition, they describe construction of physical models and measurements of their mechanical responses.

(image)
[Phys. Rev. E 95, 013002] Published Wed Jan 11, 2017



Richtmyer-Meshkov instability of a flat interface subjected to a rippled shock wave

2017-01-11T10:00:00-05:00

Author(s): Liyong Zou, Jinhong Liu, Shenfei Liao, Xianxu Zheng, Zhigang Zhai, and Xisheng Luo
The Richtmyer-Meshkov (RM) instability of a nominally flat interface (N_{2}/SF_{6}) subjected to a rippled shock, as the counterpart of a corrugated interface interacting with a planar shock, is studied experimentally in a vertical shock tube using both schlieren photography and fog visualization di…
[Phys. Rev. E 95, 013107] Published Wed Jan 11, 2017



Hydrodynamic mobility of a solid particle near a spherical elastic membrane: Axisymmetric motion

2017-01-11T10:00:00-05:00

Author(s): Abdallah Daddi-Moussa-Ider and Stephan Gekle
We use the image solution technique to compute the leading order frequency-dependent self-mobility function of a small solid particle moving perpendicular to the surface of a spherical capsule whose membrane possesses shearing and bending rigidities. Comparing our results with those obtained earlier…
[Phys. Rev. E 95, 013108] Published Wed Jan 11, 2017



Ising spin glasses in dimension five

2017-01-10T10:00:00-05:00

Author(s): P. H. Lundow and I. A. Campbell
Ising spin-glass models with bimodal, Gaussian, uniform, and Laplacian interaction distributions in dimension five are studied through detailed numerical simulations. The data are analyzed in both the finite-size scaling regime and the thermodynamic limit regime. It is shown that the values of criti…
[Phys. Rev. E 95, 012112] Published Tue Jan 10, 2017



Escape rate of active particles in the effective equilibrium approach

2017-01-10T10:00:00-05:00

Author(s): A. Sharma, R. Wittmann, and J. M. Brader
The escape rate of a Brownian particle over a potential barrier is accurately described by the Kramers theory. A quantitative theory explicitly taking the activity of Brownian particles into account has been lacking due to the inherently out-of-equilibrium nature of these particles. Using an effecti…
[Phys. Rev. E 95, 012115] Published Tue Jan 10, 2017



Effects of hydrodynamic interactions on rectified transport of self-propelled particles

2017-01-10T10:00:00-05:00

Author(s): Bao-quan Ai, Ya-feng He, and Wei-rong Zhong
Directed transport of self-propelled particles is numerically investigated in a three-dimensional asymmetric potential. Beside the steric repulsive forces, hydrodynamic interactions between particles have been taken into account in an approximate way. From numerical simulations, we find that hydrody…
[Phys. Rev. E 95, 012116] Published Tue Jan 10, 2017



Expansion of cooperatively growing populations: Optimal migration rates and habitat network structures

2017-01-10T10:00:00-05:00

Author(s): Kai-Cheng Yang, Zhi-Xi Wu, Petter Holme, and Etsuko Nonaka
Range expansion of species is driven by the interactions among individual- and population-level processes and the spatial pattern of habitats. In this work we study how cooperatively growing populations spread on networks representing the skeleton of complex landscapes. By separating the slow and fa…
[Phys. Rev. E 95, 012306] Published Tue Jan 10, 2017



Pair approximation for the q-voter model with independence on complex networks

2017-01-10T10:00:00-05:00

Author(s): Arkadiusz Jędrzejewski
We investigate the q-voter model with stochastic noise arising from independence on complex networks. Using the pair approximation, we provide a comprehensive, mathematical description of its behavior and derive a formula for the critical point. The analytical results are validated by carrying out M…
[Phys. Rev. E 95, 012307] Published Tue Jan 10, 2017



Synchronization and long-time memory in neural networks with inhibitory hubs and synaptic plasticity

2017-01-10T10:00:00-05:00

Author(s): Elena Bertolotti, Raffaella Burioni, Matteo di Volo, and Alessandro Vezzani
We investigate the dynamical role of inhibitory and highly connected nodes (hub) in synchronization and input processing of leaky-integrate-and-fire neural networks with short term synaptic plasticity. We take advantage of a heterogeneous mean-field approximation to encode the role of network struct…
[Phys. Rev. E 95, 012308] Published Tue Jan 10, 2017



Impact of lipid rafts on the T-cell-receptor and peptide-major-histocompatibility-complex interactions under different measurement conditions

2017-01-10T10:00:00-05:00

Author(s): Long Li, Guang-Kui Xu, and Fan Song
The interactions between T-cell receptor (TCR) and peptide-major-histocompatibility complex (pMHC), which enable T-cell development and initiate adaptive immune responses, have been intensively studied. However, a central issue of how lipid rafts affect the TCR-pMHC interactions remains unclear. Her…
[Phys. Rev. E 95, 012403] Published Tue Jan 10, 2017



Formation of limit-periodic structures by quadrupole particles confined to a triangular lattice

2017-01-10T10:00:00-05:00

Author(s): David M. Rutkowski, Catherine Marcoux, Joshua E. S. Socolar, and Carol K. Hall
We have performed Monte Carlo (MC) simulations on two-dimensional systems of quadrupole particles confined to a triangular lattice in order to determine the conditions that permit the formation of a limit-periodic phase. We have found that limit-periodic structures form only when the rotations of th…
[Phys. Rev. E 95, 012604] Published Tue Jan 10, 2017



Effect of friction on dense suspension flows of hard particles

2017-01-10T10:00:00-05:00

Author(s): M. Trulsson, E. DeGiuli, and M. Wyart
We use numerical simulations to study the effect of particle friction on suspension flows of non-Brownian hard particles. By systematically varying the microscopic friction coefficient μ_{p} and the viscous number J, we build a phase diagram that identifies three regimes of flow: frictionless, frict…
[Phys. Rev. E 95, 012605] Published Tue Jan 10, 2017



Thermostability analysis of line-tension-associated nucleation at a gas-liquid interface

2017-01-10T10:00:00-05:00

Author(s): Sanat Kumar Singha, Prasanta Kumar Das, and Biswajit Maiti
The influence of line tension on the thermostability of a droplet nucleated from an oversaturated vapor at the interface of the vapor and another immiscible liquid is investigated. Along with the condition of mechanical equilibrium, the notion of extremization of the reversible work of formation is …
[Phys. Rev. E 95, 012802] Published Tue Jan 10, 2017



Band instability in near-critical fluids subjected to vibration under weightlessness

2017-01-10T10:00:00-05:00

Author(s): T. Lyubimova, A. Ivantsov, Y. Garrabos, C. Lecoutre, G. Gandikota, and D. Beysens
Periodical patterns (bands) developing at the interface of two immiscible fluids under vibration parallel to interface are observed under zero-gravity conditions. Fluids are slightly below their liquid-vapor critical point where they behave in a scaled, universal manner. In addition, liquid and vapo…
[Phys. Rev. E 95, 013105] Published Tue Jan 10, 2017



Impact dynamics of particle-coated droplets

2017-01-10T10:00:00-05:00

Author(s): T. Supakar, A. Kumar, and J. O. Marston
We present findings from an experimental study of the impact of liquid marbles onto solid surfaces. Using dual-view high-speed imaging, we reveal details of the impact dynamics previously not reported. During the spreading stage it is observed that particles at the surface flow rapidly to the periph…
[Phys. Rev. E 95, 013106] Published Tue Jan 10, 2017



Nonequilibrium temperature measurement in a thermal conduction process

2017-01-10T10:00:00-05:00

Author(s): Puneet Kumar Patra and Romesh C. Batra
We identify the temperature being measured by a thermometer in a nonequilibrium scenario by studying heat conduction in a three-dimensional Lennard-Jones (LJ) system whose two ends are kept at different temperatures. It is accomplished by modeling the thermometer particles also with the LJ potential…
[Phys. Rev. E 95, 013302] Published Tue Jan 10, 2017



First-order transition in a percolation model with nucleation and preferential growth

2017-01-09T10:00:00-05:00

Author(s): Bappaditya Roy and S. B. Santra
The spanning cluster properties of a percolation model with nucleation and preferential growth exhibit first-order transitions depending on the values of the growth parameter g_{0} and the initial seed concentration ρ. Except for the preferential growth of smaller clusters with a size-dependent grow…
[Phys. Rev. E 95, 010101(R)] Published Mon Jan 09, 2017



Thermodynamic framework for the ground state of a simple quantum system

2017-01-09T10:00:00-05:00

Author(s): Andre M. C. Souza and Fernando D. Nobre
The ground state of a two-level system (associated with probabilities p and 1−p, respectively) defined by a general Hamiltonian H[over ̂]=H[over ̂]_{0}+λV[over ̂] is studied. The simple case characterized by λ=0, whose Hamiltonian H[over ̂]_{0} is represented by a diagonal matrix, is well establishe…
[Phys. Rev. E 95, 012111] Published Mon Jan 09, 2017



Nonequilibrium steady states in a closed inhomogeneous asymmetric exclusion process with generic particle nonconservation

2017-01-09T10:00:00-05:00

Author(s): Bijoy Daga, Souvik Mondal, Anjan Kumar Chandra, Tirthankar Banerjee, and Abhik Basu
We study the totally asymmetric exclusion process (TASEP) on a nonuniform one-dimensional ring consisting of two segments having unequal hopping rates, or defects. We allow weak particle nonconservation via Langmuir kinetics (LK), which are parametrized by generic unequal attachment and detachment r…
[Phys. Rev. E 95, 012113] Published Mon Jan 09, 2017



Sign changes as a universal concept in first-passage-time calculations

2017-01-09T10:00:00-05:00

Author(s): Wilhelm Braun and Rüdiger Thul
First-passage-time problems are ubiquitous across many fields of study, including transport processes in semiconductors and biological synapses, evolutionary game theory and percolation. Despite their prominence, first-passage-time calculations have proven to be particularly challenging. Analytical …
[Phys. Rev. E 95, 012114] Published Mon Jan 09, 2017



Detectability thresholds of general modular graphs

2017-01-09T10:00:00-05:00

Author(s): Tatsuro Kawamoto and Yoshiyuki Kabashima
We investigate the detectability thresholds of various modular structures in the stochastic block model. Our analysis reveals how the detectability threshold is related to the details of the modular pattern, including the hierarchy of the clusters. We show that certain planted structures are impossi…
[Phys. Rev. E 95, 012304] Published Mon Jan 09, 2017



Conducting-insulating transition in adiabatic memristive networks

2017-01-09T10:00:00-05:00

Author(s): Forrest C. Sheldon and Massimiliano Di Ventra
The development of neuromorphic systems based on memristive elements—resistors with memory—requires a fundamental understanding of their collective dynamics when organized in networks. Here, we study an experimentally inspired model of two-dimensional disordered memristive networks subject to a slow…
[Phys. Rev. E 95, 012305] Published Mon Jan 09, 2017



Nonequilibrium Markov state modeling of the globule-stretch transition

2017-01-09T10:00:00-05:00

Author(s): Fabian Knoch and Thomas Speck
We describe a systematic approach to construct coarse-grained Markov state models from molecular dynamics data of systems driven into a nonequilibrium steady state. We apply this method to study the globule-stretch transition of a single tethered model polymer in shear flow. The folding and unfoldin…
[Phys. Rev. E 95, 012503] Published Mon Jan 09, 2017



Dynamic shear jamming in dense granular suspensions under extension

2017-01-09T10:00:00-05:00

Author(s): Sayantan Majumdar, Ivo R. Peters, Endao Han, and Heinrich M. Jaeger
Unlike dry granular materials, a dense granular suspension like cornstarch in water can strongly resist extensional flows. At low extension rates, such a suspension behaves like a viscous fluid, but rapid extension results in a response where stresses far exceed the predictions of lubrication hydrod…
[Phys. Rev. E 95, 012603] Published Mon Jan 09, 2017



Reynolds number effects on the single-mode Richtmyer-Meshkov instability

2017-01-09T10:00:00-05:00

Author(s): B. Walchli and B. Thornber
The Reynolds number effects on the nonlinear growth rates of the Richtmyer-Meshkov instability are investigated using two-dimensional numerical simulations. A decrease in Reynolds number gives an increased time to reach nonlinear saturation, with Reynolds number effects only significant in the range…
[Phys. Rev. E 95, 013104] Published Mon Jan 09, 2017



Self-confined particle pairs in complex plasmas

2017-01-09T10:00:00-05:00

Author(s): I. I. Lisina, E. A. Lisin, O. S. Vaulina, and O. F. Petrov
The liquid-crystal type of phase transition in complex plasmas has been observed repeatedly. However, more studies need to be done on the liquid-vapor transition in complex plasmas. In this paper, the phenomenon of coupling (condensation) of particles into self-confined particle pairs in an anisotro…
[Phys. Rev. E 95, 013202] Published Mon Jan 09, 2017



Mixing with applications to inertial-confinement-fusion implosions

2017-01-09T10:00:00-05:00

Author(s): V. Rana, H. Lim, J. Melvin, J. Glimm, B. Cheng, and D. H. Sharp
Approximate one-dimensional (1D) as well as 2D and 3D simulations are playing an important supporting role in the design and analysis of future experiments at National Ignition Facility. This paper is mainly concerned with 1D simulations, used extensively in design and optimization. We couple a 1D b…
[Phys. Rev. E 95, 013203] Published Mon Jan 09, 2017



Microfield dynamics in dense hydrogen plasmas with high-Z impurities

2017-01-09T10:00:00-05:00

Author(s): Stefan P. Hau-Riege and Jon Weisheit
We use large-scale classical molecular dynamics to determine microfield properties for several dense plasma mixtures. By employing quantum statistical potentials (QSPs) to regularize the Coulomb interaction, our simulations follow motions of electrons as well as ions for times long enough to track r…
[Phys. Rev. E 95, 013204] Published Mon Jan 09, 2017



Universal time-dependent dispersion properties for diffusion in a one-dimensional critically tilted potential

2017-01-06T10:00:00-05:00

Author(s): T. Guérin and D. S. Dean
We consider the time-dependent dispersion properties of overdamped tracer particles diffusing in a one-dimensional periodic potential under the influence of an additional constant tilting force F. The system is studied in the region where the force is close to the critical value F_{c} at which the b…
[Phys. Rev. E 95, 012109] Published Fri Jan 06, 2017



Driven tracers in narrow channels

2017-01-06T10:00:00-05:00

Author(s): J. Cividini, D. Mukamel, and H. A. Posch
Steady-state properties of a driven tracer moving in a narrow two-dimensional (2D) channel of quiescent medium are studied. The tracer drives the system out of equilibrium, perturbs the density and pressure fields, and gives the bath particles a nonzero average velocity, creating a current in the ch…
[Phys. Rev. E 95, 012110] Published Fri Jan 06, 2017



Collective dynamics of time-delay-coupled phase oscillators in a frustrated geometry

2017-01-06T10:00:00-05:00

Author(s): Bhumika Thakur, Devendra Sharma, Abhijit Sen, and George L. Johnston
We study the effect of time delay on the dynamics of a system of repulsively coupled nonlinear oscillators that are configured as a geometrically frustrated network. In the absence of time delay, frustrated systems are known to possess a high degree of multistability among a large number of coexisti…
[Phys. Rev. E 95, 012204] Published Fri Jan 06, 2017



Neutral aggregation in finite-length genotype space

2017-01-06T10:00:00-05:00

Author(s): Bahram Houchmandzadeh
The advent of modern genome sequencing techniques allows for a more stringent test of the neutrality hypothesis of Darwinian evolution, where all individuals have the same fitness. Using the individual-based model of Wright and Fisher, we compute the amplitude of neutral aggregation in the genome sp…
[Phys. Rev. E 95, 012402] Published Fri Jan 06, 2017



Efficient simulation of semiflexible polymers with stiff bonds

2017-01-06T10:00:00-05:00

Author(s): Gerard T. Barkema and J. M. J. van Leeuwen
We investigate the simulation of stiff (extensible) and rigid (inextensible) semiflexible polymers in solution. In particular, we focus on polymers represented as chains of beads, interconnected by bonds with a low to zero extensibility, and significant persistence in the bond orientations along the…
[Phys. Rev. E 95, 012502] Published Fri Jan 06, 2017



Applicability of the Fokker-Planck equation to the description of diffusion effects on nucleation

2017-01-06T10:00:00-05:00

Author(s): M. V. Sorokin, V. I. Dubinko, and V. A. Borodin
The nucleation of islands in a supersaturated solution of surface adatoms is considered taking into account the possibility of diffusion profile formation in the island vicinity. It is shown that the treatment of diffusion-controlled cluster growth in terms of the Fokker-Planck equation is justified…
[Phys. Rev. E 95, 012801] Published Fri Jan 06, 2017



Reconstructing links in directed networks from noisy dynamics

2017-01-05T10:00:00-05:00

Author(s): Emily S. C. Ching and H. C. Tam
We address the long-standing challenge of how to reconstruct links in directed networks from measurements, and present a general method that makes use of a noise-induced relation between network structure and both the time-lagged covariance of measurements taken at two different times and the covari…
[Phys. Rev. E 95, 010301(R)] Published Thu Jan 05, 2017



Merits and qualms of work fluctuations in classical fluctuation theorems

2017-01-05T10:00:00-05:00

Author(s): Jiawen Deng, Alvis Mazon Tan, Peter Hänggi, and Jiangbin Gong
Work is one of the most basic notions in statistical mechanics, with work fluctuation theorems being one central topic in nanoscale thermodynamics. With Hamiltonian chaos commonly thought to provide a foundation for classical statistical mechanics, here we present general salient results regarding h…
[Phys. Rev. E 95, 012106] Published Thu Jan 05, 2017



Frequency regulators for the nonperturbative renormalization group: A general study and the model A as a benchmark

2017-01-05T10:00:00-05:00

Author(s): Charlie Duclut and Bertrand Delamotte
We derive the necessary conditions for implementing a regulator that depends on both momentum and frequency in the nonperturbative renormalization-group flow equations of out-of-equilibrium statistical systems. We consider model A as a benchmark and compute its dynamical critical exponent z. This al…
[Phys. Rev. E 95, 012107] Published Thu Jan 05, 2017



Density of states and dynamical crossover in a dense fluid revealed by exponential mode analysis of the velocity autocorrelation function

2017-01-05T10:00:00-05:00

Author(s): S. Bellissima, M. Neumann, E. Guarini, U. Bafile, and F. Barocchi
Extending a preceding study of the velocity autocorrelation function (VAF) in a simulated Lennard-Jones fluid [Phys. Rev. E 92, 042166 (2015)] to cover higher-density and lower-temperature states, we show that the recently demonstrated multiexponential expansion method allows for a full account and …
[Phys. Rev. E 95, 012108] Published Thu Jan 05, 2017



Crawling and turning in a minimal reaction-diffusion cell motility model: Coupling cell shape and biochemistry

2017-01-05T10:00:00-05:00

Author(s): Brian A. Camley, Yanxiang Zhao, Bo Li, Herbert Levine, and Wouter-Jan Rappel

This paper presents a model to describe the crawling of cells based on the cell shape, which is determined by the force balance in the membrane, and its internal chemical dynamics which controls the steering mechanism. The interplay of these two factors gives rise to a phase diagram where a transition from straight to circular trajectories is observed.

(image)
[Phys. Rev. E 95, 012401] Published Thu Jan 05, 2017