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Preview: Recent Articles in Phys. Rev. E

Recent Articles in Phys. Rev. E

Recent articles in Physical Review E

Published: 2017-08-23T15:52:46-04:00


Editorial: Materials Research in the Physical Review Journals


Author(s): Chris Leighton, Laurens W. Molenkamp, Eli Ben-Naim, and Stephen Forrest
[Phys. Rev. E 96, 020001] Published Wed Aug 23, 2017

Brownian versus Newtonian devitrification of hard-sphere glasses


Author(s): Pablo Montero de Hijes, Pablo Rosales-Pelaez, Chantal Valeriani, Peter N. Pusey, and Eduardo Sanz

In a recent molecular dynamics simulation work it has been shown that glasses composed of hard spheres crystallize via cooperative, stochastic particle displacements called avalanches [E. Sanz et al., Proc. Natl. Acad. Sci. USA 111, 75 (2014)]. In this Rapid Communication we investigate if such a d...

[Phys. Rev. E 96, 020602(R)] Published Wed Aug 23, 2017

Nonequilibrium interactions between ideal polymers and a repulsive surface


Author(s): Raz Halifa Levi and Yacov Kantor

We use Newtonian and overdamped Langevin dynamics to study long flexible polymers dragged by an external force at a constant velocity $v$. The work $W$ performed by that force depends on the initial state of the polymer and the details of the process. The Jarzynski equality can be used to relate the...

[Phys. Rev. E 96, 022146] Published Wed Aug 23, 2017

Sustained dynamics of a weakly excitable system with nonlocal interactions


Author(s): Yasuaki Kobayashi, Hiroyuki Kitahata, and Masaharu Nagayama

We investigate a two-dimensional spatially extended system that has a weak sense of excitability, where an excitation wave has a uniform profile and propagates only within a finite range. Using a cellular automaton model of such a weakly excitable system, we show that three kinds of sustained dynami...

[Phys. Rev. E 96, 022213] Published Wed Aug 23, 2017

Bright and gap solitons in membrane-type acoustic metamaterials


Author(s): Jiangyi Zhang, Vicente Romero-García, Georgios Theocharis, Olivier Richoux, Vassos Achilleos, and Dimitrios J. Frantzeskakis

We study analytically and numerically envelope solitons (bright and gap solitons) in a one-dimensional, nonlinear acoustic metamaterial, composed of an air-filled waveguide periodically loaded by clamped elastic plates. Based on the transmission line approach, we derive a nonlinear dynamical lattice...

[Phys. Rev. E 96, 022214] Published Wed Aug 23, 2017

Practical approximation method for firing-rate models of coupled neural networks with correlated inputs


Author(s): Andrea K. Barreiro and Cheng Ly

Rapid experimental advances now enable simultaneous electrophysiological recording of neural activity at single-cell resolution across large regions of the nervous system. Models of this neural network activity will necessarily increase in size and complexity, thus increasing the computational cost ...

[Phys. Rev. E 96, 022413] Published Wed Aug 23, 2017

Particle dispersion in porous media: Differentiating effects of geometry and fluid rheology


Author(s): Jack D. C. Jacob, Ramanan Krishnamoorti, and Jacinta C. Conrad

We investigate the effects of geometric order and fluid rheology on the dispersion of micron-sized particles in two-dimensional microfluidic porous media. Particles suspended in a mixture of glycerol and water or in solutions of partially hydrolyzed polyacrylamide (HPAM) polymers were imaged as they...

[Phys. Rev. E 96, 022610] Published Wed Aug 23, 2017

Propagation of ion acoustic wave energy in the plume of a high-current ${\mathbf{LaB}}_{6}$ hollow cathode


Author(s): Benjamin A. Jorns, Christoper Dodson, Dan M. Goebel, and Richard Wirz

A frequency-averaged quasilinear model is derived and experimentally validated for the evolution of ion acoustic turbulence (IAT) along the centerline of a 100-A class, ${\mathrm{LaB}}_{6}$ hollow cathode. Probe-based diagnostics and a laser induced fluorescence system are employed to measure the pr...

[Phys. Rev. E 96, 023208] Published Wed Aug 23, 2017

Signature of microscale kinetics in mesoscale description of epitaxial growth


Author(s): Joshua P. Schneider and Dionisios Margetis

We describe the effect of kinetic interactions of adsorbed atoms in a mesoscale model of epitaxial growth without elasticity. Our goal is to understand how atomic correlations due to kinetics leave their signature in mechanisms governing the motion of crystal line defects (steps) at the nanoscale. W...

[Phys. Rev. E 96, 020802(R)] Published Tue Aug 22, 2017

Unraveling intermittent features in single-particle trajectories by a local convex hull method


Author(s): Yann Lanoiselée and Denis S. Grebenkov

We propose a model-free method to detect change points between distinct phases in a single random trajectory of an intermittent stochastic process. The local convex hull (LCH) is constructed for each trajectory point, while its geometric properties (e.g., the diameter or the volume) are used as disc...

[Phys. Rev. E 96, 022144] Published Tue Aug 22, 2017

Devil's staircase and the absence of chaos in the dc- and ac-driven overdamped Frenkel-Kontorova model


Author(s): I. Sokolović, P. Mali, J. Odavić, S. Radošević, S. Yu. Medvedeva, A. E. Botha, Yu. M. Shukrinov, and J. Tekić

The devil's staircase structure arising from the complete mode locking of an entirely nonchaotic system, the overdamped dc+ac driven Frenkel-Kontorova model with deformable substrate potential, was observed. Even though no chaos was found, a hierarchical ordering of the Shapiro steps was made possib...

[Phys. Rev. E 96, 022210] Published Tue Aug 22, 2017

Generation mechanisms of fundamental rogue wave spatial-temporal structure


Author(s): Liming Ling, Li-Chen Zhao, Zhan-Ying Yang, and Boling Guo

We discuss the generation mechanism of fundamental rogue wave structures in $N$-component coupled systems, based on analytical solutions of the nonlinear Schrödinger equation and modulational instability analysis. Our analysis discloses that the pattern of a fundamental rogue wave is determined by t...

[Phys. Rev. E 96, 022211] Published Tue Aug 22, 2017

Unilateral regulation breaks regularity of Turing patterns


Author(s): Tomáš Vejchodský, Filip Jaroš, Milan Kučera, and Vojtěch Rybář

We consider a reaction-diffusion system undergoing Turing instability and augment it by an additional unilateral source term. We investigate its influence on the Turing instability and on the character of resulting patterns. The nonsmooth positively homogeneous unilateral term $τ{v}^{−}$ has favorab...

[Phys. Rev. E 96, 022212] Published Tue Aug 22, 2017

Dependence of exponents on text length versus finite-size scaling for word-frequency distributions


Author(s): Álvaro Corral and Francesc Font-Clos

Some authors have recently argued that a finite-size scaling law for the text-length dependence of word-frequency distributions cannot be conceptually valid. Here we give solid quantitative evidence for the validity of this scaling law, using both careful statistical tests and analytical arguments b...

[Phys. Rev. E 96, 022318] Published Tue Aug 22, 2017

Anisotropic interaction rules in circular motions of pigeon flocks: An empirical study based on sparse Bayesian learning


Author(s): Duxin Chen, Bowen Xu, Tao Zhu, Tao Zhou, and Hai-Tao Zhang

Coordination shall be deemed to the result of interindividual interaction among natural gregarious animal groups. However, revealing the underlying interaction rules and decision-making strategies governing highly coordinated motion in bird flocks is still a long-standing challenge. Based on analysi...

[Phys. Rev. E 96, 022411] Published Tue Aug 22, 2017

Severe population collapses and species extinctions in multihost epidemic dynamics


Author(s): Sergei Maslov and Kim Sneppen

In this paper, the authors extend a model for the spreading of infectious diseases to explore the propagation of epidemics through more than one species. Their mathematical model highlights the importance of cross-species interactions, and shows how a significant imbalance in population could have far-reaching implications for the survival rates.

[Phys. Rev. E 96, 022412] Published Tue Aug 22, 2017

Dramatic slowing of compositional relaxations in the approach to the glass transition for a bimodal colloidal suspension


Author(s): S. D. W. Hannam, P. J. Daivis, and G. Bryant

Molecular dynamics simulation was used to study a model colloidal suspension with two species of slightly different sized colloidal particles in an explicit solvent. In this work we calculated the four interdiffusion coefficients for the ternary system, which were then used to calculate the decay co...

[Phys. Rev. E 96, 022609] Published Tue Aug 22, 2017

Growth kinetics and morphology of snowflakes in supersaturated atmosphere using a three-dimensional phase-field model


Author(s): G. Demange, H. Zapolsky, R. Patte, and M. Brunel

Simulating ice crystal growth is a major issue for meteorology and aircraft safety. Yet, very few models currently succeed in reproducing correctly the diversity of snow crystal forms, and link the model parameters to thermodynamic quantities. Here, we demonstrate that the new three-dimensional phas...

[Phys. Rev. E 96, 022803] Published Tue Aug 22, 2017

Statistics of velocity and temperature fluctuations in two-dimensional Rayleigh-Bénard convection


Author(s): Yang Zhang, Yong-Xiang Huang, Nan Jiang, Yu-Lu Liu, Zhi-Ming Lu, Xiang Qiu, and Quan Zhou

We investigate fluctuations of the velocity and temperature fields in two-dimensional (2D) Rayleigh-Bénard (RB) convection by means of direct numerical simulations (DNS) over the Rayleigh number range ${10}^{6}\phantom{\rule{0.16em}{0ex}}≤\phantom{\rule{0.16em}{0ex}}\text{Ra}\phantom{\rule{0.16em}{0...

[Phys. Rev. E 96, 023105] Published Tue Aug 22, 2017

Relativistic kinetic equation for spin-1/2 particles in the long-scale-length approximation


Author(s): R. Ekman, F. A. Asenjo, and J. Zamanian

In this paper, we derive a fully relativistic kinetic theory for spin-1/2 particles and its coupling to Maxwell's equations, valid in the long-scale-length limit, where the fields vary on a scale much longer than the localization of the particles; we work to first order in $ℏ$. Our starting point is...

[Phys. Rev. E 96, 023207] Published Tue Aug 22, 2017

Exploiting vibrational resonance in weak-signal detection


Author(s): Yuhao Ren, Yan Pan, Fabing Duan, François Chapeau-Blondeau, and Derek Abbott

In this paper, we investigate the first exploitation of the vibrational resonance (VR) effect to detect weak signals in the presence of strong background noise. By injecting a series of sinusoidal interference signals of the same amplitude but with different frequencies into a generalized correlatio...

[Phys. Rev. E 96, 022141] Published Mon Aug 21, 2017

Bethe lattice model with site and bond correlations for continuum percolation by isotropic systems of monodisperse rods


Author(s): Avik P. Chatterjee

A model for connectedness percolation in isotropic systems of monodisperse cylinders is developed that employs a generalization of the tree-like Bethe lattice. The traditional Bethe lattice is generalized by incorporating (within a heuristic, mean-field framework) a pair of correlation parameters th...

[Phys. Rev. E 96, 022142] Published Mon Aug 21, 2017

Quantum thermodynamic cycle with quantum phase transition


Author(s): Yu-Han Ma, Shan-He Su, and Chang-Pu Sun

With the Lipkin-Meshkov-Glick (LMG) model as an illustration, we construct a thermodynamic cycle composed of two isothermal processes and two isomagnetic field processes, and we study the thermodynamic performance of this cycle accompanied by the quantum phase transition (QPT). We find that for a fi...

[Phys. Rev. E 96, 022143] Published Mon Aug 21, 2017

Chimeralike states in networks of bistable time-delayed feedback oscillators coupled via the mean field


Author(s): V. I. Ponomarenko, D. D. Kulminskiy, and M. D. Prokhorov

We study the collective dynamics of oscillators in a network of identical bistable time-delayed feedback systems globally coupled via the mean field. The influence of delay and inertial properties of the mean field on the collective behavior of globally coupled oscillators is investigated. A variety...

[Phys. Rev. E 96, 022209] Published Mon Aug 21, 2017

Cooperative response and clustering: Consequences of membrane-mediated interactions among mechanosensitive channels


Author(s): Lucas D. Fernandes, Ksenia Guseva, and Alessandro P. S. de Moura

Mechanosensitive channels are ion channels which act as cells' safety valves, opening when the osmotic pressure becomes too high and making cells avoid damage by releasing ions. They are found on the cellular membrane of a large number of organisms. They interact with each other by means of deformat...

[Phys. Rev. E 96, 022410] Published Mon Aug 21, 2017

Effect of advection on transient ion concentration-polarization phenomenon


Author(s): Leon Rosentsvit, Sinwook Park, and Gilad Yossifon

Here, we studied the effect of advection on the transient ion concentration-polarization phenomenon in microchannel-membrane systems. Specifically, the temporal evolution of the depletion layer in a system that supports net flow rates with varying Péclet values was examined. Experiments complemented...

[Phys. Rev. E 96, 023104] Published Mon Aug 21, 2017

Unsupervised learning of phase transitions: From principal component analysis to variational autoencoders


Author(s): Sebastian J. Wetzel

We examine unsupervised machine learning techniques to learn features that best describe configurations of the two-dimensional Ising model and the three-dimensional $XY$ model. The methods range from principal component analysis over manifold and clustering methods to artificial neural-network-based...

[Phys. Rev. E 96, 022140] Published Fri Aug 18, 2017

Regime shifts driven by dynamic correlations in gene expression noise


Author(s): Yogita Sharma and Partha Sharathi Dutta

Gene expression is a noisy process that leads to regime shifts between alternative steady states among individual living cells, inducing phenotypic variability. The effects of white noise on the regime shift in bistable systems have been well characterized, however little is known about such effects...

[Phys. Rev. E 96, 022409] Published Fri Aug 18, 2017

Generalized elastica patterns in a curved rotating Hele-Shaw cell


Author(s): Rodolfo Brandão and José A. Miranda

We study a family of generalized elasticalike equilibrium shapes that arise at the interface separating two fluids in a curved rotating Hele-Shaw cell. This family of stationary interface solutions consists of shapes that balance the competing capillary and centrifugal forces in such a curved flow e...

[Phys. Rev. E 96, 023103] Published Fri Aug 18, 2017

Critical and Griffiths-McCoy singularities in quantum Ising spin glasses on $d$-dimensional hypercubic lattices: A series expansion study


Author(s): R. R. P. Singh and A. P. Young

We study the $±J$ transverse-field Ising spin-glass model at zero temperature on $d$-dimensional hypercubic lattices and in the Sherrington-Kirkpatrick (SK) model, by series expansions around the strong-field limit. In the SK model and in high dimensions our calculated critical properties are in exc...

[Phys. Rev. E 96, 022139] Published Thu Aug 17, 2017

Nonequilibrium dynamics of probe filaments in actin-myosin networks


Author(s): J. Gladrow, C. P. Broedersz, and C. F. Schmidt

Active dynamic processes of cells are largely driven by the cytoskeleton, a complex and adaptable semiflexible polymer network, motorized by mechanoenzymes. Small dimensions, confined geometries, and hierarchical structures make it challenging to probe dynamics and mechanical response of such networ...

[Phys. Rev. E 96, 022408] Published Thu Aug 17, 2017

Two-state model for nematic liquid crystals made of bent-core molecules


Author(s): N. V. Madhusudana

Nematic ($N$) liquid crystals made of bent-core molecules exhibit unusual physical properties such as an intermediate phase between the $N$ and isotropic ($I$) phases, a very weak $NI$ transition as inferred from magnetic birefringence measurements in a low field, which is apparently incompatible wi...

[Phys. Rev. E 96, 022710] Published Thu Aug 17, 2017

Nonperturbative renormalization group for the diffusive epidemic process


Author(s): Malo Tarpin, Federico Benitez, Léonie Canet, and Nicolás Wschebor

We consider the Diffusive Epidemic Process (DEP), a two-species reaction-diffusion process originally proposed to model disease spread within a population. This model exhibits a phase transition from an active epidemic to an absorbing state without sick individuals. Field-theoretic analyses suggest ...

[Phys. Rev. E 96, 022137] Published Wed Aug 16, 2017

Efficiency versus speed in quantum heat engines: Rigorous constraint from Lieb-Robinson bound


Author(s): Naoto Shiraishi and Hiroyasu Tajima

A long-standing open problem whether a heat engine with finite power achieves the Carnot efficiency is investgated. We rigorously prove a general trade-off inequality on thermodynamic efficiency and time interval of a cyclic process with quantum heat engines. In a first step, employing the Lieb-Robi...

[Phys. Rev. E 96, 022138] Published Wed Aug 16, 2017

Planar light bullets under conditions of second-harmonic generation


Author(s): Sergey V. Sazonov, Mikhail S. Mamaikin, Maria V. Komissarova, and Irina G. Zakharova

We study solutions to second-harmonic-generation equations in two-dimensional media with anomalous dispersion. The analytical solution is obtained in an approximate form of the planar spatiotemporal two-component soliton by means of the averaged Lagrangian method. It is shown that a decrease in the ...

[Phys. Rev. E 96, 022208] Published Wed Aug 16, 2017

Quasirandom geometric networks from low-discrepancy sequences


Author(s): Ernesto Estrada

We define quasirandom geometric networks using low-discrepancy sequences, such as Halton, Sobol, and Niederreiter. The networks are built in $d$ dimensions by considering the $d$-tuples of digits generated by these sequences as the coordinates of the vertices of the networks in a $d$-dimensional ${I...

[Phys. Rev. E 96, 022314] Published Wed Aug 16, 2017

Promoting cooperation by preventing exploitation: The role of network structure


Author(s): Zoran Utkovski, Viktor Stojkoski, Lasko Basnarkov, and Ljupco Kocarev

A growing body of empirical evidence indicates that social and cooperative behavior can be affected by cognitive and neurological factors, suggesting the existence of state-based decision-making mechanisms that may have emerged by evolution. Motivated by these observations, we propose a simple mecha...

[Phys. Rev. E 96, 022315] Published Wed Aug 16, 2017

What drives transient behavior in complex systems?


Author(s): Jacek Grela

We study transient behavior in the dynamics of complex systems described by a set of nonlinear ordinary differential equations. Destabilizing nature of transient trajectories is discussed and its connection with the eigenvalue-based linearization procedure. The complexity is realized as a random ma...

[Phys. Rev. E 96, 022316] Published Wed Aug 16, 2017

Sensitivity of directed networks to the addition and pruning of edges and vertices


Author(s): A. V. Goltsev, G. Timár, and J. F. F. Mendes

Directed networks have various topologically different extensive components, in contrast to a single giant component in undirected networks. We study the sensitivity (response) of the sizes of these extensive components in directed complex networks to the addition and pruning of edges and vertices. ...

[Phys. Rev. E 96, 022317] Published Wed Aug 16, 2017

Role of tumbling in bacterial swarming


Author(s): Marina Sidortsov, Yakov Morgenstern, and Avraham Be'er

Typical wild-type bacteria swimming in sparse suspensions exhibit a movement pattern called “run and tumble,” characterized by straight trajectories (runs) interspersed by shorter, random reorientation (tumbles). This is achieved by rotating their flagella counterclockwise, or clockwise, respectivel...

[Phys. Rev. E 96, 022407] Published Wed Aug 16, 2017

Catalyst-particle configurations: From nanowires to carbon nanotubes


Author(s): Qian Zhang, Stephen H. Davis, and Peter W. Voorhees

Surface-energy minimization is used to study capillary effects that determine the stable configurations of (liquid or solid) particles atop tubes or wires. The results give allowable ranges for the volume (${V}_{c}$) of the particles as a function of the inner and outer radii of the tubes, ${R}_{I}$...

[Phys. Rev. E 96, 022802] Published Wed Aug 16, 2017

Planar granular shear flow under external vibration


Author(s): Eric P. Hoppmann and Brian C. Utter

We present results from a planar shear experiment in which a two-dimensional horizontal granular assembly of pentagonal particles sheared between two parallel walls is subjected to external vibration. Particle tracking and photoelastic measurements are used to quantify both grain scale motion and in...

[Phys. Rev. E 96, 022903] Published Wed Aug 16, 2017

Different universality classes at the yielding transition of amorphous systems


Author(s): E. A. Jagla

We study the yielding transition of a two-dimensional amorphous system under shear by using a mesoscopic elasto-plastic model. The model combines a full (tensorial) description of the elastic interactions in the system and the possibility of structural reaccommodations that are responsible for the p...

[Phys. Rev. E 96, 023006] Published Wed Aug 16, 2017

Radial structure of the constricted positive column: Modeling and experiment


Author(s): Yu. Golubovskii, D. Kalanov, and V. Maiorov

We present a detailed self-consistent model of a positive column in argon glow discharge at moderate pressures and currents. This model describes the discharge transition between diffuse and constricted states. The model includes an extensive set of plasma chemical reactions and equation for inhomog...

[Phys. Rev. E 96, 023206] Published Wed Aug 16, 2017

Versatile and efficient pore network extraction method using marker-based watershed segmentation


Author(s): Jeff T. Gostick

Obtaining structural information from tomographic images of porous materials is a critical component of porous media research. Extracting pore networks is particularly valuable since it enables pore network modeling simulations which can be useful for a host of tasks from predicting transport proper...

[Phys. Rev. E 96, 023307] Published Wed Aug 16, 2017

Route towards the optimization at given power of thermoelectric heat engines with broken time-reversal symmetry


Author(s): Rong Zhang, Qian-Wen Li, F. R. Tang, X. Q. Yang, and L. Bai

We investigate the performance at a given power of a thermoelectric heat engine with broken time-reversal symmetry, and derive analytically the efficiency at a given power of a thermoelectric generator within linear irreversible thermodynamics. A universal bound on the efficiency of the thermoelectr...

[Phys. Rev. E 96, 022133] Published Tue Aug 15, 2017

Nonequilibrium steady states in Langevin thermal systems


Author(s): Hyun Keun Lee, Sourabh Lahiri, and Hyunggyu Park

Equilibrium is characterized by its fundamental properties, such as the detailed balance, the fluctuation-dissipation relation, and no heat dissipation. Based on the stochastic thermodynamics, we show that these three properties are equivalent to each other in conventional Langevin thermal systems w...

[Phys. Rev. E 96, 022134] Published Tue Aug 15, 2017

Statistical field theory with constraints: Application to critical Casimir forces in the canonical ensemble


Author(s): Markus Gross, Andrea Gambassi, and S. Dietrich

The effect of imposing a constraint on a fluctuating scalar order parameter field in a system of finite volume is studied within statistical field theory. The canonical ensemble, corresponding to a fixed total integrated order parameter (e.g., the total number of particles), is obtained as a special...

[Phys. Rev. E 96, 022135] Published Tue Aug 15, 2017

Survival probability in a quenched Majorana chain with an impurity


Author(s): Atanu Rajak and Tanay Nag

We investigate the dynamics of a one-dimensional $p$-wave superconductor with next-nearest-neighbor hopping and superconducting interaction derived from a three-spin interacting Ising model in transverse field by mapping to Majorana fermions. The next-nearest-neighbor hopping term leads to a new top...

[Phys. Rev. E 96, 022136] Published Tue Aug 15, 2017

Multiscale approach to nematic liquid crystals via statistical field theory


Author(s): Bing-Sui Lu

We propose an approach to a multiscale problem in the theory of thermotropic uniaxial nematics based on the method of statistical field theory. This approach enables us to relate the coefficients $A$, $B$, $C$, ${L}_{1}$, and ${L}_{2}$ of the Landau-de Gennes free energy for the isotropic-nematic ph...

[Phys. Rev. E 96, 022709] Published Tue Aug 15, 2017

Capillary wave theory of adsorbed liquid films and the structure of the liquid-vapor interface


Author(s): Luis G. MacDowell

In this paper we try to work out in detail the implications of a microscopic theory for capillary waves under the assumption that the density is given along lines normal to the interface. Within this approximation, which may be justified in terms of symmetry arguments, the Fisk-Widom scaling of the ...

[Phys. Rev. E 96, 022801] Published Tue Aug 15, 2017

Molecular-dynamics approach for studying the nonequilibrium behavior of x-ray-heated solid-density matter


Author(s): Malik Muhammad Abdullah, Anurag, Zoltan Jurek, Sang-Kil Son, and Robin Santra

When matter is exposed to a high-intensity x-ray free-electron-laser pulse, the x rays excite inner-shell electrons leading to the ionization of the electrons through various atomic processes and creating high-energy-density plasma, i.e., warm or hot dense matter. The resulting system consists of at...

[Phys. Rev. E 96, 023205] Published Tue Aug 15, 2017

Exact short-time height distribution in the one-dimensional Kardar-Parisi-Zhang equation with Brownian initial condition


Author(s): Alexandre Krajenbrink and Pierre Le Doussal

The early-time regime of the Kardar-Parisi-Zhang (KPZ) equation in $1+1$ dimension, starting from a Brownian initial condition with a drift $w$, is studied using the exact Fredholm determinant representation. For large drift we recover the exact results for the droplet initial condition, whereas a v...

[Phys. Rev. E 96, 020102(R)] Published Mon Aug 14, 2017

Fore-aft asymmetric flocking


Author(s): Qiu-shi Chen, Aurelio Patelli, Hugues Chaté, Yu-qiang Ma, and Xia-qing Shi

We show that fore-aft asymmetry, a generic feature of living organisms and some active matter systems, can have a strong influence on the collective properties of even the simplest flocking models. Specifically, an arbitrarily weak asymmetry favoring front neighbors changes qualitatively the phase d...

[Phys. Rev. E 96, 020601(R)] Published Mon Aug 14, 2017

Nonequilibrium Langevin dynamics: A demonstration study of shear flow fluctuations in a simple fluid


Author(s): Roman Belousov, E. G. D. Cohen, and Lamberto Rondoni

The present paper is based on a recent success of the second-order stochastic fluctuation theory in describing time autocorrelations of equilibrium and nonequilibrium physical systems. In particular, it was shown to yield values of the related deterministic parameters of the Langevin equation for a ...

[Phys. Rev. E 96, 022125] Published Mon Aug 14, 2017

Large deviations of the finite-time magnetization of the Curie-Weiss random-field Ising model


Author(s): Pierre Paga and Reimer Kühn

We study the large deviations of the magnetization at some finite time in the Curie-Weiss random field Ising model with parallel updating. While relaxation dynamics in an infinite-time horizon gives rise to unique dynamical trajectories [specified by initial conditions and governed by first-order dy...

[Phys. Rev. E 96, 022126] Published Mon Aug 14, 2017

Ordered phases in coupled nonequilibrium systems: Static properties


Author(s): Shauri Chakraborty, Sakuntala Chatterjee, and Mustansir Barma

We study a coupled driven system in which two species of particles are advected by a fluctuating potential energy landscape. While the particles follow the potential gradient, each species affects the local shape of the landscape in different ways. As a result of this two-way coupling between the la...

[Phys. Rev. E 96, 022127] Published Mon Aug 14, 2017

Ordered phases in coupled nonequilibrium systems: Dynamic properties


Author(s): Shauri Chakraborty, Sakuntala Chatterjee, and Mustansir Barma

We study the dynamical properties of the ordered phases obtained in a coupled nonequilibrium system describing advection of two species of particles by a stochastically evolving landscape. The local dynamics of the landscape also gets affected by the particles. In a companion paper we have presented...

[Phys. Rev. E 96, 022128] Published Mon Aug 14, 2017

Ab initio relaxation times and time-dependent Hamiltonians within the steepest-entropy-ascent quantum thermodynamic framework


Author(s): Ilki Kim and Michael R. von Spakovsky

Quantum systems driven by time-dependent Hamiltonians are considered here within the framework of steepest-entropy-ascent quantum thermodynamics (SEAQT) and used to study the thermodynamic characteristics of such systems. In doing so, a generalization of the SEAQT framework valid for all such system...

[Phys. Rev. E 96, 022129] Published Mon Aug 14, 2017

Path-integral formalism for stochastic resetting: Exactly solved examples and shortcuts to confinement


Author(s): Édgar Roldán and Shamik Gupta

We study the dynamics of overdamped Brownian particles diffusing in conservative force fields and undergoing stochastic resetting to a given location at a generic space-dependent rate of resetting. We present a systematic approach involving path integrals and elements of renewal theory that allows u...

[Phys. Rev. E 96, 022130] Published Mon Aug 14, 2017

Nonequilibrium thermodynamics of restricted Boltzmann machines


Author(s): Domingos S. P. Salazar

In this work, we analyze the nonequilibrium thermodynamics of a class of neural networks known as restricted Boltzmann machines (RBMs) in the context of unsupervised learning. We show how the network is described as a discrete Markov process and how the detailed balance condition and the Maxwell-Bol...

[Phys. Rev. E 96, 022131] Published Mon Aug 14, 2017

Statistical properties of the anomalous scaling exponent estimator based on time-averaged mean-square displacement


Author(s): Grzegorz Sikora, Marek Teuerle, Agnieszka Wyłomańska, and Denis Grebenkov

The most common way of estimating the anomalous scaling exponent from single-particle trajectories consists of a linear fit of the dependence of the time-averaged mean-square displacement on the lag time at the log-log scale. We investigate the statistical properties of this estimator in the case of...

[Phys. Rev. E 96, 022132] Published Mon Aug 14, 2017

Behavior of gap solitons in anharmonic lattices


Author(s): Aurélien Serge Tchakoutio Nguetcho, Guy Merlin Nkeumaleu, and Jean Marie Bilbault

Using the theory of bifurcation, we provide and find gap soliton dynamics in a nonlinear Klein-Gordon model with anharmonic, cubic, and quartic interactions immersed in a parametrized on-site substrate potential. The case of a deformable substrate potential allows theoretical adaptation of the model...

[Phys. Rev. E 96, 022207] Published Mon Aug 14, 2017

Optimized evolution of networks for principal eigenvector localization


Author(s): Priodyuti Pradhan, Alok Yadav, Sanjiv K. Dwivedi, and Sarika Jalan

Network science is increasingly being developed to get new insights about behavior and properties of complex systems represented in terms of nodes and interactions. One useful approach is investigating the localization properties of eigenvectors having diverse applications including disease-spreadin...

[Phys. Rev. E 96, 022312] Published Mon Aug 14, 2017

Color-avoiding percolation


Author(s): Sebastian M. Krause, Michael M. Danziger, and Vinko Zlatić

Many real world networks have groups of similar nodes which are vulnerable to the same failure or adversary. Nodes can be colored in such a way that colors encode the shared vulnerabilities. Using multiple paths to avoid these vulnerabilities can greatly improve network robustness, if such paths exi...

[Phys. Rev. E 96, 022313] Published Mon Aug 14, 2017

Cell growth, division, and death in cohesive tissues: A thermodynamic approach


Author(s): Shunsuke Yabunaka and Philippe Marcq

Cell growth, division, and death are defining features of biological tissues that contribute to morphogenesis. In hydrodynamic descriptions of cohesive tissues, their occurrence implies a nonzero rate of variation of cell density. We show how linear nonequilibrium thermodynamics allows us to express...

[Phys. Rev. E 96, 022406] Published Mon Aug 14, 2017

Crossover from equilibration to aging: Nonequilibrium theory versus simulations


Author(s): P. Mendoza-Méndez, E. Lázaro-Lázaro, L. E. Sánchez-Díaz, P. E. Ramírez-González, G. Pérez-Ángel, and M. Medina-Noyola

Understanding glasses and the glass transition requires comprehending the nature of the crossover from the ergodic (or equilibrium) regime, in which the stationary properties of the system have no history dependence, to the mysterious glass transition region, where the measured properties are nonsta...

[Phys. Rev. E 96, 022608] Published Mon Aug 14, 2017

Elastic properties of the nematic phase in hard ellipsoids of short aspect ratio


Author(s): S. Heymans and T. Schilling

We present a Monte Carlo simulation study of suspensions of hard ellipsoids of revolution. Based on the spatial fluctuations of the orientational order, we have computed the Frank elastic constants for prolate and oblate ellipsoids and compared them to the affine transformation model. The affine tra...

[Phys. Rev. E 96, 022708] Published Mon Aug 14, 2017

Shear strength and microstructure of polydisperse packings: The effect of size span and shape of particle size distribution


Author(s): Emilien Azéma, Sandra Linero, Nicolas Estrada, and Arcesio Lizcano

By means of extensive contact dynamics simulations, we analyzed the effect of particle size distribution (PSD) on the strength and microstructure of sheared granular materials composed of frictional disks. The PSDs are built by means of a normalized $β$ function, which allows the systematic investig...

[Phys. Rev. E 96, 022902] Published Mon Aug 14, 2017

Emergence and seismological implications of phase transition and universality in a system with interaction between thermal pressurization and dilatancy


Author(s): Takehito Suzuki

A dynamic earthquake source process is modeled by assuming interaction among frictional heat, fluid pressure, and inelastic porosity. In particular, fluid pressure increase due to frictional heating (thermal pressurization effect) and fluid pressure decrease due to inelastic porosity increase (dilat...

[Phys. Rev. E 96, 023005] Published Mon Aug 14, 2017

Quasistationary magnetic field generation with a laser-driven capacitor-coil assembly


Author(s): V. T. Tikhonchuk, M. Bailly-Grandvaux, J. J. Santos, and A. Poyé

Recent experiments are showing possibilities to generate strong magnetic fields on the excess of 500 T with high-energy nanosecond laser pulses in a compact setup of a capacitor connected to a single turn coil. Hot electrons ejected from the capacitor plate (cathode) are collected at the other plate...

[Phys. Rev. E 96, 023202] Published Mon Aug 14, 2017

Permutation-blocking path-integral Monte Carlo approach to the static density response of the warm dense electron gas


Author(s): Tobias Dornheim, Simon Groth, Jan Vorberger, and Michael Bonitz

The static density response of the uniform electron gas is of fundamental importance for numerous applications. Here we employ the recently developed ab initio permutation blocking path integral Monte Carlo (PB-PIMC) technique [T. Dornheim et al., New J. Phys. 17, 073017 (2015)] to carry out extens...

[Phys. Rev. E 96, 023203] Published Mon Aug 14, 2017

Three-wave scattering in magnetized plasmas: From cold fluid to quantized Lagrangian


Author(s): Yuan Shi, Hong Qin, and Nathaniel J. Fisch

Large amplitude waves in magnetized plasmas, generated either by external pumps or internal instabilities, can scatter via three-wave interactions. While three-wave scattering is well known in collimated geometry, what happens when waves propagate at angles with one another in magnetized plasmas rem...

[Phys. Rev. E 96, 023204] Published Mon Aug 14, 2017

Intertangled stochastic motifs in networks of excitatory-inhibitory units


Author(s): Clement Zankoc, Duccio Fanelli, Francesco Ginelli, and Roberto Livi

A stochastic model of excitatory and inhibitory interactions which bears universality traits is introduced and studied. The endogenous component of noise, stemming from finite size corrections, drives robust internode correlations that persist at large distances. Antiphase synchrony at small frequen...

[Phys. Rev. E 96, 022308] Published Fri Aug 11, 2017

Criticality triggers the emergence of collective intelligence in groups


Author(s): Ilario De Vincenzo, Ilaria Giannoccaro, Giuseppe Carbone, and Paolo Grigolini

A spinlike model mimicking human behavior in groups is employed to investigate the dynamics of the decision-making process. Within the model, the temporal evolution of the state of systems is governed by a time-continuous Markov chain. The transition rates of the resulting master equation are define...

[Phys. Rev. E 96, 022309] Published Fri Aug 11, 2017

Modeling and numerical simulations of the influenced Sznajd model


Author(s): Farshad Salimi Naneh Karan, Aravinda Ramakrishnan Srinivasan, and Subhadeep Chakraborty

This paper investigates the effects of independent nonconformists or influencers on the behavioral dynamic of a population of agents interacting with each other based on the Sznajd model. The system is modeled on a complete graph using the master equation. The acquired equation has been numerically ...

[Phys. Rev. E 96, 022310] Published Fri Aug 11, 2017

Efficiency of prompt quarantine measures on a susceptible-infected-removed model in networks


Author(s): Takehisa Hasegawa and Koji Nemoto

This study focuses on investigating the manner in which a prompt quarantine measure suppresses epidemics in networks. A simple and ideal quarantine measure is considered in which an individual is detected with a probability immediately after it becomes infected and the detected one and its neighbors...

[Phys. Rev. E 96, 022311] Published Fri Aug 11, 2017

Correlations in suspensions confined between viscoelastic surfaces: Noncontact microrheology


Author(s): Chen Bar-Haim and Haim Diamant

We study theoretically the velocity cross-correlations of a viscous fluid confined in a slit between two viscoelastic media. We analyze the effect of these correlations on the motions of particles suspended in the fluid. The compliance of the confining boundaries gives rise to a long-ranged pair cor...

[Phys. Rev. E 96, 022607] Published Fri Aug 11, 2017

Nanoscale interfacial defect shedding in a growing nematic droplet


Author(s): Sebastian Gurevich, Nikolas Provatas, and Alejandro Rey

Interfacial defect shedding is the most recent known mechanism for defect formation in a thermally driven isotropic-to-nematic phase transition. It manifests in nematic-isotropic interfaces going through an anchoring switch. Numerical computations in planar geometry established that a growing nemati...

[Phys. Rev. E 96, 022707] Published Fri Aug 11, 2017

Recognition of an obstacle in a flow using artificial neural networks


Author(s): Mauricio Carrillo, Ulices Que, José A. González, and Carlos López

In this work a series of artificial neural networks (ANNs) has been developed with the capacity to estimate the size and location of an obstacle obstructing the flow in a pipe. The ANNs learn the size and location of the obstacle by reading the profiles of the dynamic pressure $q$ or the $x$ compon...

[Phys. Rev. E 96, 023306] Published Fri Aug 11, 2017

Comment on “Defocusing complex short-pulse equation and its multi-dark-soliton solution”


Author(s): Saliou Youssoufa, Victor K. Kuetche, and Timoleon C. Kofane

In their recent paper, Feng et al. [Phys. Rev. E 93, 052227 (2016)] proposed a complex short-pulse equation of both focusing and defocusing types. They studied in detail the defocusing case and derived its multi-dark-soliton solutions. Nonetheless, from a physical viewpoint in order to better and de...

[Phys. Rev. E 96, 026201] Published Fri Aug 11, 2017

Reply to “Comment on ‘Defocusing complex short-pulse equation and its multi-dark-soliton solution’ ”


Author(s): Bao-Feng Feng, Liming Ling, and Zuonong Zhu

Our paper [Phys. Rev. E 93, 052227 (2016)], proposing an integrable model for the propagation of ultrashort pulses, has recently received a Comment by Youssoufa et al. [Phys. Rev. E 96, 026201 (2017)] about a possible flaw in its derivation. We point out that their claim is incorrect since we have s...

[Phys. Rev. E 96, 026202] Published Fri Aug 11, 2017

Period proliferation in periodic states in cyclically sheared jammed solids


Author(s): Maxim O. Lavrentovich, Andrea J. Liu, and Sidney R. Nagel

Athermal disordered systems can exhibit a remarkable response to an applied oscillatory shear: After a relatively few shearing cycles, the system falls into a configuration that had already been visited in a previous cycle. After this point the system repeats its dynamics periodically despite underg...

[Phys. Rev. E 96, 020101(R)] Published Thu Aug 10, 2017

Transport analogy for segregation and granular rheology


Author(s): Siying Liu and Joseph J. McCarthy

Here, we show a direct connection between density-based segregation and granular rheology that can lead to insight into both problems. Our results exhibit a transition in the rate of segregation during simple shear that occurs at $I∼0.5$ and mimics a coincident regime change in flow rheology. We pro...

[Phys. Rev. E 96, 020901(R)] Published Thu Aug 10, 2017

Absence of Anderson localization in certain random lattices


Author(s): Wonjun Choi, Cheng Yin (澄殷), Ian R. Hooper, William L. Barnes, and Jacopo Bertolotti

We report on the transition between an Anderson localized regime and a conductive regime in a one-dimensional microwave scattering system with correlated disorder. We show experimentally that when long-range correlations are introduced, in the form of a power-law spectral density with power larger t...

[Phys. Rev. E 96, 022122] Published Thu Aug 10, 2017

Velocity correlations and spatial dependencies between neighbors in a unidirectional flow of pedestrians


Author(s): Jakub Porzycki, Jarosław Wąs, Leila Hedayatifar, Forough Hassanibesheli, and Krzysztof Kułakowski

The aim of the paper is an analysis of self-organization patterns observed in the unidirectional flow of pedestrians. On the basis of experimental data from Zhang et al. [J. Zhang et al., J. Stat. Mech. (2011) P06004], we analyze the mutual positions and velocity correlations between pedestrians wh...

[Phys. Rev. E 96, 022307] Published Thu Aug 10, 2017

Acid-induced assembly of a reconstituted silk protein system


Author(s): A. Pasha Tabatabai, Katie M. Weigandt, and Daniel L. Blair

Silk cocoons are reconstituted into an aqueous suspension, and protein stability is investigated by comparing the protein's response to hydrochloric acid and sodium chloride. Aggregation occurs for systems mixed with hydrochloric acid, while sodium chloride over the same range of concentrations does...

[Phys. Rev. E 96, 022405] Published Thu Aug 10, 2017

Brownian self-driven particles on the surface of a sphere


Author(s): Leonardo Apaza and Mario Sandoval

We present the dynamics of overdamped Brownian self-propelled particles moving on the surface of a sphere. The effect of self-propulsion on the diffusion of these particles is elucidated by determining their angular (azimuthal and polar) mean-square displacement. Short- and long-times analytical exp...

[Phys. Rev. E 96, 022606] Published Thu Aug 10, 2017

Scattering of biflagellate microswimmers from surfaces


Author(s): Enkeleida Lushi, Vasily Kantsler, and Raymond E. Goldstein

We use a three-bead–spring model to investigate the dynamics of biflagellate microswimmers near a surface. While the primary dynamics and scattering are governed by geometric-dependent direct contact, the fluid flows generated by the swimmer locomotion are important in orienting it toward or away fr...

[Phys. Rev. E 96, 023102] Published Thu Aug 10, 2017

Preisach models of hysteresis driven by Markovian input processes


Author(s): Sven Schubert and Günter Radons

We study the response of Preisach models of hysteresis to stochastically fluctuating external fields. We perform numerical simulations, which indicate that analytical expressions derived previously for the autocorrelation functions and power spectral densities of the Preisach model with uncorrelated...

[Phys. Rev. E 96, 022117] Published Wed Aug 09, 2017

Geometric fluctuation theorem for a spin-boson system


Author(s): Kota L. Watanabe and Hisao Hayakawa

We derive an extended fluctuation theorem for geometric pumping of a spin-boson system under periodic control of environmental temperatures by using a Markovian quantum master equation. We obtain the current distribution, the average current, and the fluctuation in terms of the Monte Carlo simulatio...

[Phys. Rev. E 96, 022118] Published Wed Aug 09, 2017

True nature of the Curzon-Ahlborn efficiency


Author(s): Y. Apertet, H. Ouerdane, C. Goupil, and Ph. Lecoeur

The Curzon-Ahlborn efficiency has long served as the definite upper bound for the thermal efficiency at maximum output power, and has thus shaped the development of finite-time thermodynamics. In this paper, we repeal the ruling consensus according to which it has a genuine universal character that ...

[Phys. Rev. E 96, 022119] Published Wed Aug 09, 2017

Specific transfer entropy and other state-dependent transfer entropies for continuous-state input-output systems


Author(s): David Darmon and Paul E. Rapp

Since its original formulation in 2000, transfer entropy has become an invaluable tool in the toolbox of nonlinear dynamicists working with empirical data. Transfer entropy and its generalizations provide a precise definition of uncertainty and information transfer that are central to the coupled sy...

[Phys. Rev. E 96, 022121] Published Wed Aug 09, 2017

Effects of nonlinear gradient terms on the defect turbulence regime in weakly dissipative systems


Author(s): J. B. Gonpe Tafo, L. Nana, and T. C. Kofane

We investigate the behavior of traveling waves in a defect turbulence regime with the periodic boundary conditions by using the lowest-order complex Ginzburg-Landau equation (CGLE), and we show the effect of the nonlinear gradient terms in the system. It is found that the nonlinear gradient terms wh...

[Phys. Rev. E 96, 022205] Published Wed Aug 09, 2017

Controlling three-dimensional vortices using multiple and moving external fields


Author(s): Nirmali Prabha Das and Sumana Dutta

Spirals or scroll wave activities in cardiac tissues are the cause of lethal arrhythmias. The external control of these waves is thus of prime interest to scientists and physicians. In this article, we demonstrate the spatial control of scroll waves by using external electric fields and thermal grad...

[Phys. Rev. E 96, 022206] Published Wed Aug 09, 2017

Detection of long-range electrostatic interactions between charged molecules by means of fluorescence correlation spectroscopy


Author(s): Ilaria Nardecchia, Mathias Lechelon, Matteo Gori, Irene Donato, Jordane Preto, Elena Floriani, Sebastien Jaeger, Sebastien Mailfert, Didier Marguet, Pierre Ferrier, and Marco Pettini

In the present paper, an experimental feasibility study on the detection of long-range intermolecular interactions through three-dimensional molecular diffusion in solution is performed. This follows recent theoretical and numerical analyses reporting that long-range electrodynamic forces between bi...

[Phys. Rev. E 96, 022403] Published Wed Aug 09, 2017

Nonequilibrium statistical mechanics of a susceptible-infected-recovered epidemic model


Author(s): Kazumi Omata

The Liouville and stochastic Liouville equations have been investigated with respect to the susceptible-infected-recovered (SIR) epidemic model, described in terms of extended Nambu mechanics. It has been shown that, along with the equilibrium distribution functions, the Kubo formula can be derived ...

[Phys. Rev. E 96, 022404] Published Wed Aug 09, 2017

Impact of ferroelectric and superparaelectric nanoparticles on phase transitions and dynamics in nematic liquid crystals


Author(s): Szymon Starzonek, Sylwester J. Rzoska, Aleksandra Drozd-Rzoska, Krzysztof Czupryński, and Samo Kralj

Results of broadband dielectric spectroscopy (BDS) studies of pure liquid crystalline (4-pentyloxy-4-biphenylcarbonitryle) 5OCB and its nanocolloids with ${\mathrm{BaTiO}}_{3}$ nanoparticles (NPs) under varying pressure and temperature are presented. The notable impact of NPs on phase transitions an...

[Phys. Rev. E 96, 022705] Published Wed Aug 09, 2017

Electric-field-induced shape transition of nematic tactoids


Author(s): Luuk Metselaar, Ivan Dozov, Krassimira Antonova, Emmanuel Belamie, Patrick Davidson, Julia M. Yeomans, and Amin Doostmohammadi

This paper studies the change in shape of nematic droplets under the influence of an electric field, using experiments and numerical simulations. A reversible elongation is possible due to the low elasticity of the liquid crystal and its strong anchoring. The authors are able to observe changes in the aspect ratio up to ten, which may influence the optical properties of the material.

[Phys. Rev. E 96, 022706] Published Wed Aug 09, 2017

Predicting mining collapse: Superjerks and the appearance of record-breaking events in coal as collapse precursors


Author(s): Xiang Jiang, Hanlong Liu, Ian G. Main, and Ekhard K. H. Salje

The quest for predictive indicators for the collapse of coal mines has led to a robust criterion from scale-model tests in the laboratory. Mechanical collapse under uniaxial stress forms avalanches with a power-law probability distribution function of radiated energy $P∼{{E}^{−}}^{ɛ}$, with exponent...

[Phys. Rev. E 96, 023004] Published Wed Aug 09, 2017