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Preview: Recent Articles in Phys. Rev. E

Recent Articles in Phys. Rev. E



Recent articles in Physical Review E



Published: 2017-06-23T16:29:23-04:00

 



Universality in quasi-two-dimensional granular shock fronts above an intruder

2017-06-23T10:00:00-04:00

Author(s): M. Yasinul Karim and Eric I. Corwin
We experimentally study quasi-two-dimensional dilute granular flow around intruders whose shape, size, and relative impact speed are systematically varied. Direct measurement of the flow field reveals that three in-principle independent measurements of the nonuniformity of the flow field are in fact...
[Phys. Rev. E 95, 060901(R)] Published Fri Jun 23, 2017



Autonomous rotor heat engine

2017-06-23T10:00:00-04:00

Author(s): Alexandre Roulet, Stefan Nimmrichter, Juan Miguel Arrazola, Stella Seah, and Valerio Scarani
The triumph of heat engines is their ability to convert the disordered energy of thermal sources into useful mechanical motion. In recent years, much effort has been devoted to generalizing thermodynamic notions to the quantum regime, partly motivated by the promise of surpassing classical heat engi...
[Phys. Rev. E 95, 062131] Published Fri Jun 23, 2017



Amplitude death in a pair of one-dimensional complex Ginzburg-Landau systems coupled by diffusive connections

2017-06-23T10:00:00-04:00

Author(s): Hakui Teki, Keiji Konishi, and Naoyuki Hara
This paper shows that, in a pair of one-dimensional complex Ginzburg-Landau (CGL) systems, diffusive connections can induce amplitude death. Stability analysis of a spatially uniform steady state in coupled CGL systems reveals that amplitude death never occurs in a pair of identical CGL systems coup...
[Phys. Rev. E 95, 062220] Published Fri Jun 23, 2017



Noise-induced stabilization of collective dynamics

2017-06-23T10:00:00-04:00

Author(s): Pau Clusella and Antonio Politi
We illustrate a counterintuitive effect of an additive stochastic force, which acts independently on each element of an ensemble of globally coupled oscillators. We show that a very small white noise not only broadens the clusters, wherever they are induced by the deterministic forces, but can also ...
[Phys. Rev. E 95, 062221] Published Fri Jun 23, 2017



How the fittest compete for leadership: A tale of tails

2017-06-23T10:00:00-04:00

Author(s): J. M. Luck and A. Mehta
We investigate how leaders emerge as a consequence of the competitive dynamics between coupled papers in a model citation network. Every paper is allocated an initial fitness depending on its intrinsic quality. Its fitness then involves dynamically as a consequence of the competition between itself ...
[Phys. Rev. E 95, 062306] Published Fri Jun 23, 2017



Backward renormalization-group inference of cortical dipole sources and neural connectivity efficacy

2017-06-23T10:00:00-04:00

Author(s): Selene da Rocha Amaral, Luiz A. Baccalá, Leonardo S. Barbosa, and Nestor Caticha
Proper neural connectivity inference has become essential for understanding cognitive processes associated with human brain function. Its efficacy is often hampered by the curse of dimensionality. In the electroencephalogram case, which is a noninvasive electrophysiological monitoring technique to r...
[Phys. Rev. E 95, 062415] Published Fri Jun 23, 2017



Empirical resistive-force theory for slender biological filaments in shear-thinning fluids

2017-06-23T10:00:00-04:00

Author(s): Emily E. Riley and Eric Lauga
Many cells exploit the bending or rotation of flagellar filaments in order to self-propel in viscous fluids. While appropriate theoretical modeling is available to capture flagella locomotion in simple, Newtonian fluids, formidable computations are required to address theoretically their locomotion ...
[Phys. Rev. E 95, 062416] Published Fri Jun 23, 2017



Stability of gas channels in a dense suspension in the presence of obstacles

2017-06-23T10:00:00-04:00

Author(s): Raphaël Poryles, Germán Varas, and Valérie Vidal
We investigate experimentally the influence of a fixed obstacle on gas rising in a dense suspension. Air is injected at a constant flow rate by a single nozzle at the bottom center of a Hele-Shaw cell. Without obstacles, previous works have shown that a fluidized zone is formed with a parabolic shap...
[Phys. Rev. E 95, 062905] Published Fri Jun 23, 2017



Linearization-based method for solving a multicomponent diffusion phase-field model with arbitrary solution thermodynamics

2017-06-23T10:00:00-04:00

Author(s): M. J. Welland, E. Tenuta, and A. A. Prudil
This article describes a phase-field model for an isothermal multicomponent, multiphase system which avoids implicit interfacial energy contributions by starting from a grand potential formulation. A method is developed for incorporating arbitrary forms of the equilibrium thermodynamic potentials in...
[Phys. Rev. E 95, 063312] Published Fri Jun 23, 2017



Lattice Boltzmann solution of the transient Boltzmann transport equation in radiative and neutron transport

2017-06-23T10:00:00-04:00

Author(s): Yahui Wang, Liming Yan, and Yu Ma
Applications of the transient Boltzmann transport equation (BTE) have undergone much investigation, such as radiative heat transfer and neutron transport. This paper provides a lattice Boltzmann model to efficiently resolve the multidimensional transient BTE. For a higher angular resolution, enough ...
[Phys. Rev. E 95, 063313] Published Fri Jun 23, 2017



Phase ordering dynamics of reconstituting particles

2017-06-22T10:00:00-04:00

Author(s): F. A. Gómez Albarracín, H. D. Rosales, and M. D. Grynberg
We consider the large-time dynamics of one-dimensional processes involving adsorption and desorption of extended hard-core particles (dimers, trimers, ..., k-mers), while interacting through their constituent monomers. Desorption can occur whether or not these latter adsorbed together, which leads t...
[Phys. Rev. E 95, 062130] Published Thu Jun 22, 2017



Extreme events in FitzHugh-Nagumo oscillators coupled with two time delays

2017-06-22T10:00:00-04:00

Author(s): Arindam Saha and Ulrike Feudel
We study two identical FitzHugh-Nagumo oscillators which are coupled with one or two different time delays. If only a single-delay coupling is used, the length of the delay determines whether the synchronization manifold is transversally stable or unstable, exhibiting mixed-mode or chaotic oscillati...
[Phys. Rev. E 95, 062219] Published Thu Jun 22, 2017



Mode-locking behavior of Izhikevich neurons under periodic external forcing

2017-06-22T10:00:00-04:00

Author(s): AmirAli Farokhniaee and Edward W. Large
Many neurons in the auditory system of the brain must encode periodic signals. These neurons under periodic stimulation display rich dynamical states including mode locking and chaotic responses. Periodic stimuli such as sinusoidal waves and amplitude modulated sounds can lead to various forms of n:...
[Phys. Rev. E 95, 062414] Published Thu Jun 22, 2017



Combustion instability mitigation by magnetic fields

2017-06-22T10:00:00-04:00

Author(s): Agnes Jocher, Heinz Pitsch, Thomas Gomez, Jérôme Bonnety, and Guillaume Legros
The present interdisciplinary study combines electromagnetics and combustion to unveil an original and basic experiment displaying a spontaneous flame instability that is mitigated as the non-premixed sooting flame experiences a magnetic perturbation. This magnetic instability mitigation is reproduc...
[Phys. Rev. E 95, 063113] Published Thu Jun 22, 2017



Publisher's Note: Fluctuating lattice Boltzmann method for the diffusion equation [Phys. Rev. E 94, 033302 (2016)]

2017-06-22T10:00:00-04:00

Author(s): Alexander J. Wagner and Kyle Strand

[Phys. Rev. E 95, 069903] Published Thu Jun 22, 2017



Erratum: Modeling rigid magnetically rotated microswimmers: Rotation axes, bistability, and controllability [Phys. Rev. E 90, 063006 (2014)]

2017-06-22T10:00:00-04:00

Author(s): Farshad Meshkati and Henry Chien Fu
[Phys. Rev. E 95, 069904] Published Thu Jun 22, 2017



Sparse modeling approach to analytical continuation of imaginary-time quantum Monte Carlo data

2017-06-21T10:00:00-04:00

Author(s): Junya Otsuki, Masayuki Ohzeki, Hiroshi Shinaoka, and Kazuyoshi Yoshimi
A data-science approach to solving the ill-conditioned inverse problem for analytical continuation is proposed. The root of the problem lies in the fact that even tiny noise of imaginary-time input data has a serious impact on the inferred real-frequency spectra. By means of a modern regularization ...
[Phys. Rev. E 95, 061302(R)] Published Wed Jun 21, 2017



Einstein relation and hydrodynamics of nonequilibrium mass transport processes

2017-06-21T10:00:00-04:00

Author(s): Arghya Das, Anupam Kundu, and Punyabrata Pradhan
We derive hydrodynamics of paradigmatic conserved-mass transport processes on a ring. The systems, governed by chipping, diffusion, and coalescence of masses, eventually reach a nonequilibrium steady state, having nontrivial correlations, with steady-state measures in most cases not known. In these ...
[Phys. Rev. E 95, 062128] Published Wed Jun 21, 2017



Influence of measurement error on Maxwell's demon

2017-06-21T10:00:00-04:00

Author(s): Vegard Sørdal, Joakim Bergli, and Y. M. Galperin
In any general cycle of measurement, feedback, and erasure, the measurement will reduce the entropy of the system when information about the state is obtained, while erasure, according to Landauer's principle, is accompanied by a corresponding increase in entropy due to the compression of logical an...
[Phys. Rev. E 95, 062129] Published Wed Jun 21, 2017



Chiral smectic-A and smectic-C phases with de Vries characteristics

2017-06-21T10:00:00-04:00

Author(s): Neelam Yadav, V. P. Panov, V. Swaminathan, S. P. Sreenilayam, J. K. Vij, T. S. Perova, R. Dhar, A. Panov, D. Rodriguez-Lojo, and P. J. Stevenson
Infrared and dielectric spectroscopic techniques are used to investigate the characteristics of two chiral smectics, namely, 1,1,3,3,5,5,5-heptamethyltrisiloxane 1-[4^{′}-(undecyl-1-oxy)-4-biphenyl(S,S)-2-chloro-3-methylpentanoate] (MSi_{3}MR_{11}) and tricarbosilane-hexyloxy-benzoic acid (S)-4′-(1-...
[Phys. Rev. E 95, 062704] Published Wed Jun 21, 2017



Mechanical excitation of rodlike particles by a vibrating plate

2017-06-21T10:00:00-04:00

Author(s): Torsten Trittel, Kirsten Harth, and Ralf Stannarius
The experimental realization and investigation of granular gases usually require an initial or permanent excitation of ensembles of particles, either mechanically or electromagnetically. One typical method is the energy supply by a vibrating plate or container wall. We study the efficiency of such a...
[Phys. Rev. E 95, 062904] Published Wed Jun 21, 2017



Broadband cloaking of flexural waves

2017-06-21T10:00:00-04:00

Author(s): Ahmad Zareei and Mohammad-Reza Alam
The governing equation for elastic waves in flexural plates is not form invariant, and hence designing a cloak for such waves faces a major challenge. Here, we present the design of a perfect broadband cloak for flexural waves through the use of a nonlinear transformation in the region of the cloak ...
[Phys. Rev. E 95, 063002] Published Wed Jun 21, 2017



Instability evolution of the viscous elliptic liquid jet in the Rayleigh regime

2017-06-21T10:00:00-04:00

Author(s): Shibo Gu, Lipo Wang, and David L. S. Hung
For jet flow emanating from noncircular orifices, an unbalanced surface tension force leads to capillary instability, which is independent of influence from the ambient air in the Rayleigh regime. In the present article, the dynamic behavior of incompressible elliptical jets in the Rayleigh regime i...
[Phys. Rev. E 95, 063112] Published Wed Jun 21, 2017



Transient hydrodynamic finite-size effects in simulations under periodic boundary conditions

2017-06-20T10:00:00-04:00

Author(s): Adelchi J. Asta, Maximilien Levesque, Rodolphe Vuilleumier, and Benjamin Rotenberg
We use lattice-Boltzmann and analytical calculations to investigate transient hydrodynamic finite-size effects induced by the use of periodic boundary conditions. These effects are inevitable in simulations at the molecular, mesoscopic, or continuum levels of description. We analyze the transient re...
[Phys. Rev. E 95, 061301(R)] Published Tue Jun 20, 2017



Population density equations for stochastic processes with memory kernels

2017-06-20T10:00:00-04:00

Author(s): Yi Ming Lai and Marc de Kamps
We present a method for solving population density equations (PDEs)–-a mean-field technique describing homogeneous populations of uncoupled neurons—where the populations can be subject to non-Markov noise for arbitrary distributions of jump sizes. The method combines recent developments in two diffe...
[Phys. Rev. E 95, 062125] Published Tue Jun 20, 2017



Monte Carlo study of the ordering in a strongly frustrated liquid crystal

2017-06-20T10:00:00-04:00

Author(s): S. George, C. Bentham, X. Zeng, G. Ungar, and G. A. Gehring
We have performed Monte Carlo simulations to investigate the temperature dependence of the ordering of the side chains of the X-shaped liquid crystal molecules which are arranged in a hexagonal array. Each hexagon contains six side chains, one from each side of the hexagon. Each liquid crystal molec...
[Phys. Rev. E 95, 062126] Published Tue Jun 20, 2017



Thermodynamics of quantum information scrambling

2017-06-20T10:00:00-04:00

Author(s): Michele Campisi and John Goold
Scrambling of quantum information can conveniently be quantified by so-called out-of-time-order correlators (OTOCs), i.e., correlators of the type 〈[W_{τ},V]^{†}[W_{τ},V]〉, whose measurements present a formidable experimental challenge. Here we report on a method for the measurement of OTOCs based o...
[Phys. Rev. E 95, 062127] Published Tue Jun 20, 2017



Escape dynamics through a continuously growing leak

2017-06-20T10:00:00-04:00

Author(s): Tamás Kovács and József Vanyó
We formulate a model that describes the escape dynamics in a leaky chaotic system in which the size of the leak depends on the number of the in-falling particles. The basic motivation of this work is the astrophysical process, which describes the planetary accretion. In order to study the dynamics g...
[Phys. Rev. E 95, 062218] Published Tue Jun 20, 2017



Shear-induced laning transition in a confined colloidal film

2017-06-20T10:00:00-04:00

Author(s): Sascha Gerloff, Tarlan A. Vezirov, and Sabine H. L. Klapp
Using Brownian dynamics simulations, we investigate a dense system of charged colloids exposed to shear flow in a confined (slit-pore) geometry. The equilibrium system at zero flow consists of three well-pronounced layers with a squarelike crystalline in-plane structure. We demonstrate that, for suf...
[Phys. Rev. E 95, 062605] Published Tue Jun 20, 2017



Linear and nonlinear perturbation analysis of the symmetry breaking in time-periodic propulsive wakes

2017-06-20T10:00:00-04:00

Author(s): Damien Jallas, Olivier Marquet, and David Fabre
The two-dimensional and time-periodic wake flows produced by a pitching foil are investigated numerically for a fixed flapping amplitude. As the flapping frequency is increased, three regimes are identified in the time-marching nonlinear simulations. The first regime is characterized by nondeviated ...
[Phys. Rev. E 95, 063111] Published Tue Jun 20, 2017



Fourth-order analysis of a diffusive lattice Boltzmann method for barrier coatings

2017-06-20T10:00:00-04:00

Author(s): Kyle T. Strand, Aaron J. Feickert, and Alexander J. Wagner
We examine the applicability of diffusive lattice Boltzmann methods to simulate the fluid transport through barrier coatings, finding excellent agreement between simulations and analytical predictions for standard parameter choices. To examine more interesting non-Fickian behavior and multiple layer...
[Phys. Rev. E 95, 063311] Published Tue Jun 20, 2017



Memory erasure using time-multiplexed potentials

2017-06-19T10:00:00-04:00

Author(s): Saurav Talukdar, Shreyas Bhaban, and Murti V. Salapaka
We study the thermodynamics of a Brownian particle under the influence of a time-multiplexed harmonic potential of finite width. The memory storage mechanism and the erasure protocol based on time-multiplexed potentials are utilized to experimentally realize erasure with work performed close to Land...
[Phys. Rev. E 95, 062121] Published Mon Jun 19, 2017



Discovering phases, phase transitions, and crossovers through unsupervised machine learning: A critical examination

2017-06-19T10:00:00-04:00

Author(s): Wenjian Hu, Rajiv R. P. Singh, and Richard T. Scalettar
We apply unsupervised machine learning techniques, mainly principal component analysis (PCA), to compare and contrast the phase behavior and phase transitions in several classical spin models—the square- and triangular-lattice Ising models, the Blume-Capel model, a highly degenerate biquadratic-exch...
[Phys. Rev. E 95, 062122] Published Mon Jun 19, 2017



Entropy production and time asymmetry in the presence of strong interactions

2017-06-19T10:00:00-04:00

Author(s): H. J. D. Miller and J. Anders
It is known that the equilibrium properties of open classical systems that are strongly coupled to a heat bath are described by a set of thermodynamic potentials related to the system's Hamiltonian of mean force. By adapting this framework to a more general class of nonequilibrium states, we show th...
[Phys. Rev. E 95, 062123] Published Mon Jun 19, 2017



Fluctuations of absorption of interacting diffusing particles by multiple absorbers

2017-06-19T10:00:00-04:00

Author(s): Tal Agranov and Baruch Meerson
We study fluctuations of particle absorption by a three-dimensional domain with multiple absorbing patches. The domain is in contact with a gas of interacting diffusing particles. This problem is motivated by living cell sensing via multiple receptors distributed over the cell surface. Employing the...
[Phys. Rev. E 95, 062124] Published Mon Jun 19, 2017



Output-only parameter identification of a colored-noise-driven Van-der-Pol oscillator: Thermoacoustic instabilities as an example

2017-06-19T10:00:00-04:00

Author(s): Giacomo Bonciolini, Edouard Boujo, and Nicolas Noiray
The problem of output-only parameter identification for nonlinear oscillators forced by colored noise is considered. In this context, it is often assumed that the forcing noise is white, since its actual spectral content is unknown. The impact of this white-noise forcing assumption upon parameter id...
[Phys. Rev. E 95, 062217] Published Mon Jun 19, 2017



Finite-size analysis of the detectability limit of the stochastic block model

2017-06-19T10:00:00-04:00

Author(s): Jean-Gabriel Young, Patrick Desrosiers, Laurent Hébert-Dufresne, Edward Laurence, and Louis J. Dubé
It has been shown in recent years that the stochastic block model is sometimes undetectable in the sparse limit, i.e., that no algorithm can identify a partition correlated with the partition used to generate an instance, if the instance is sparse enough and infinitely large. In this contribution, w...
[Phys. Rev. E 95, 062304] Published Mon Jun 19, 2017



Consensus formation times in anisotropic societies

2017-06-19T10:00:00-04:00

Author(s): Juan Neirotti
We developed a statistical mechanics model to study the emergence of a consensus in societies of adapting, interacting agents constrained by a social rule B. In the mean-field approximation, we find that if the agents' interaction H_{0} is weak, all agents adapt to the social rule B, with which they...
[Phys. Rev. E 95, 062305] Published Mon Jun 19, 2017



Apex predator and the cyclic competition in a rock-paper-scissors game of three species

2017-06-19T10:00:00-04:00

Author(s): C. A. Souza-Filho, D. Bazeia, and J. G. G. S. Ramos
This work deals with the effects of an apex predator on the cyclic competition among three distinct species that follow the rules of the rock-paper-scissors game. The investigation develops standard stochastic simulations but is motivated by a procedure which is explained in the work. We add the ap...
[Phys. Rev. E 95, 062411] Published Mon Jun 19, 2017



Three-dimensional mechanisms of macro-to-micro-scale transport and absorption enhancement by gut villi motions

2017-06-19T10:00:00-04:00

Author(s): Yanxing Wang and James G. Brasseur
We evaluate the potential for physiological control of intestinal absorption by the generation of “micromixing layers” (MMLs) induced by coordinated motions of mucosal villi coupled with lumen-scale “macro” eddying motions generated by gut motility. To this end, we apply a three-dimensional (3D) mul...
[Phys. Rev. E 95, 062412] Published Mon Jun 19, 2017



Lateral trapping of DNA inside a voltage gated nanopore

2017-06-19T10:00:00-04:00

Author(s): Thomas Töws and Peter Reimann
The translocation of a short DNA fragment through a nanopore is addressed when the perforated membrane contains an embedded electrode. Accurate numerical solutions of the coupled Poisson, Nernst-Planck, and Stokes equations for a realistic, fully three-dimensional setup as well as analytical approxi...
[Phys. Rev. E 95, 062413] Published Mon Jun 19, 2017



Effect of head group orientation on phospholipid assembly

2017-06-19T10:00:00-04:00

Author(s): Tanay Paul and Jayashree Saha
The relationship between bilayer stability and lipid head group orientation is reported. In this work, molecular-dynamics simulations are performed to analyze the structure-property relationship of lipid biomembranes, taking into account coarse-grained model lipid interactions. The work explains the...
[Phys. Rev. E 95, 062703] Published Mon Jun 19, 2017



Multiscaling behavior of atomic-scale friction

2017-06-19T10:00:00-04:00

Author(s): M. Jannesar, T. Jamali, A. Sadeghi, S. M. S. Movahed, G. Fesler, E. Meyer, B. Khoshnevisan, and G. R. Jafari
The scaling behavior of friction between rough surfaces is a well-known phenomenon. It might be asked whether such a scaling feature also exists for friction at an atomic scale despite the absence of roughness on atomically flat surfaces. Indeed, other types of fluctuations, e.g., thermal and instru...
[Phys. Rev. E 95, 062802] Published Mon Jun 19, 2017



Impact of diffusion on transverse dispersion in two-dimensional ordered and random porous media

2017-06-19T10:00:00-04:00

Author(s): Dzmitry Hlushkou, Stanislau Piatrusha, and Ulrich Tallarek
Solute dispersion in fluid flow results from the interaction between advection and diffusion. The relative contributions of these two mechanisms to mass transport are characterized by the reduced velocity ν, also referred to as the Péclet number. In the absence of diffusion (i.e., when the solute di...
[Phys. Rev. E 95, 063108] Published Mon Jun 19, 2017



Electrohydrodynamic instability of ion-concentration shock wave in electrophoresis

2017-06-19T10:00:00-04:00

Author(s): Rahul Gaur and Supreet Singh Bahga
Capillary electrophoresis techniques often involve ion-concentration shock waves in an electrolyte solution, propagating under the effect of an external electric field. These shock waves are characterized by self-sharpening gradients in ion concentrations and electrical conductivity that are colline...
[Phys. Rev. E 95, 063109] Published Mon Jun 19, 2017



Experimental investigations on characteristics of stable water electrospray in air without discharge

2017-06-19T10:00:00-04:00

Author(s): Inyong Park, Won Seok Hong, Sang Bok Kim, and Sang Soo Kim
An experimental study was conducted to resolve previous conflicting results on water electrospray in air at atmospheric pressure. Using a small flow rate relative to that used in previous studies and a small nonmetallic nozzle, we observed stable electrospray of water in air without discharge and di...
[Phys. Rev. E 95, 063110] Published Mon Jun 19, 2017



From synchronous to one-time delayed dynamics in coupled maps

2017-06-16T10:00:00-04:00

Author(s): Celia Anteneodo, Juan Carlos González-Avella, and Raúl O. Vallejos
We study the completely synchronized states (CSSs) of a system of coupled logistic maps as a function of three parameters: interaction strength (ɛ), range of the interaction (α), that can vary from first neighbors to global coupling, and a parameter (β) that allows one to scan continuously from nond...
[Phys. Rev. E 95, 062213] Published Fri Jun 16, 2017



From dynamical systems with time-varying delay to circle maps and Koopman operators

2017-06-16T10:00:00-04:00

Author(s): David Müller, Andreas Otto, and Günter Radons
In this paper, we investigate the influence of the retarded access by a time-varying delay on the dynamics of delay systems. We show that there are two universality classes of delays, which lead to fundamental differences in dynamical quantities such as the Lyapunov spectrum. Therefore, we introduce...
[Phys. Rev. E 95, 062214] Published Fri Jun 16, 2017



Asymmetry-induced synchronization in oscillator networks

2017-06-16T10:00:00-04:00

Author(s): Yuanzhao Zhang, Takashi Nishikawa, and Adilson E. Motter
A scenario has recently been reported in which in order to stabilize complete synchronization of an oscillator network—a symmetric state—the symmetry of the system itself has to be broken by making the oscillators nonidentical. But how often does such behavior—which we term asymmetry-induced synchro...
[Phys. Rev. E 95, 062215] Published Fri Jun 16, 2017



Emergence of dispersive shocks and rarefaction waves in power-law contact models

2017-06-16T10:00:00-04:00

Author(s): H. Yasuda, C. Chong, J. Yang, and P. G. Kevrekidis
In the present work, motivated by generalized forms of the Hertzian dynamics associated with granular crystals, we consider the possibility of such models to give rise to both dispersive shock and rarefaction waves. Depending on the value p of the nonlinearity exponent, we find that both of these po...
[Phys. Rev. E 95, 062216] Published Fri Jun 16, 2017



Ultra-long-range dynamic correlations in a microscopic model for aging gels

2017-06-15T10:00:00-04:00

Author(s): Pinaki Chaudhuri and Ludovic Berthier
We use large-scale computer simulations to explore the nonequilibrium aging dynamics in a microscopic model for colloidal gels. We find that gelation resulting from a kinetically arrested phase separation is accompanied by “anomalous” particle dynamics revealed by superdiffusive particle motion and ...
[Phys. Rev. E 95, 060601(R)] Published Thu Jun 15, 2017



Does greed help a forager survive?

2017-06-15T10:00:00-04:00

Author(s): U. Bhat, S. Redner, and O. Bénichou
We investigate the role of greed on the lifetime of a random-walking forager on an initially resource-rich lattice. Whenever the forager lands on a food-containing site, all the food there is eaten and the forager can hop S more steps without food before starving. Upon reaching an empty site, the fo...
[Phys. Rev. E 95, 062119] Published Thu Jun 15, 2017



Frustrated crystallization of a monolayer of magnetized beads under geometrical confinement

2017-06-15T10:00:00-04:00

Author(s): J. Schockmel, N. Vandewalle, E. Opsomer, and G. Lumay
We present a systematic experimental study of the confinement effect on the crystallization of a monolayer of magnetized beads. The particles are millimeter-scale grains interacting through the short range magnetic dipole-dipole potential induced by an external magnetic field. The grains are confine...
[Phys. Rev. E 95, 062120] Published Thu Jun 15, 2017



Bifurcation trees of Stark-Wannier ladders for accelerated Bose-Einstein condensates in an optical lattice

2017-06-15T10:00:00-04:00

Author(s): Andrea Sacchetti
In this paper we show that in the semiclassical regime of periodic potential large enough, the Stark-Wannier ladders become a dense energy spectrum because of a cascade of bifurcations while increasing the ratio between the effective nonlinearity strength and the tilt of the external field; this fac...
[Phys. Rev. E 95, 062212] Published Thu Jun 15, 2017



Universal lower bound on the free-energy cost of molecular measurements

2017-06-15T10:00:00-04:00

Author(s): Suman G. Das, Madan Rao, and Garud Iyengar
The living cell uses a variety of molecular receptors to read and process chemical signals that vary in space and time. We model the dynamics of such molecular level measurements as Markov processes in steady state, with a coupling between the receptor and the signal. We prove exactly that, when the...
[Phys. Rev. E 95, 062410] Published Thu Jun 15, 2017



Aggregation and fragmentation dynamics in random flows: From tracers to inertial aggregates

2017-06-15T10:00:00-04:00

Author(s): Ksenia Guseva and Ulrike Feudel
We investigate the aggregation and fragmentation dynamics of tracers and inertial aggregates in random flows leading to steady-state size distributions. Our objective is to elucidate the impact of changes in aggregation rates due to differences in advection dynamics, especially with respect to the i...
[Phys. Rev. E 95, 062604] Published Thu Jun 15, 2017



Charging changes contact composition in binary sphere packings

2017-06-15T10:00:00-04:00

Author(s): André Schella, Simon Weis, and Matthias Schröter
Equal volume mixtures of small and large polytetrafluorethylene spheres are shaken in an atmosphere of controlled humidity which allows one to also control their tribocharging. We find that the contact numbers are charge dependent: As the charge density of the beads increases, the number of same-typ...
[Phys. Rev. E 95, 062903] Published Thu Jun 15, 2017



Direct numerical simulation of an arbitrarily shaped particle at a fluidic interface

2017-06-15T10:00:00-04:00

Author(s): Gregory Lecrivain, Ryoichi Yamamoto, Uwe Hampel, and Takashi Taniguchi
A consistent formulation is presented for the direct numerical simulation of an arbitrarily shaped colloidal particle at a deformable fluidic interface. The rigid colloidal particle is decomposed into a collection of solid spherical beads and the three-phase boundaries are replaced with smoothly spr...
[Phys. Rev. E 95, 063107] Published Thu Jun 15, 2017



Flow and mass transfer around a core-shell reservoir

2017-06-15T10:00:00-04:00

Author(s): Badr Kaoui
I have developed an alternative numerical approach to study mass transfer from a stationary core-shell reservoir under channel flow conditions. I use the lattice Boltzmann method to compute both the solvent fluid flow and the diffusion and advection of the solute. I have investigated the impact of ...
[Phys. Rev. E 95, 063310] Published Thu Jun 15, 2017



Genuine localization transition in a long-range hopping model

2017-06-14T10:00:00-04:00

Author(s): Xiangyu Cao, Alberto Rosso, Jean-Philippe Bouchaud, and Pierre Le Doussal
We introduce and study a banded random matrix model describing sparse, long-range quantum hopping in one dimension. Using a series of analytic arguments, numerical simulations, and a mapping to a long-range epidemics model, we establish the phase diagram of the model. A genuine localization transiti...
[Phys. Rev. E 95, 062118] Published Wed Jun 14, 2017



Multiple and exact soliton solutions of the perturbed Korteweg–de Vries equation of long surface waves in a convective fluid via Painlevé analysis, factorization, and simplest equation methods

2017-06-14T10:00:00-04:00

Author(s): Ehab S. Selima, Xiaohua Yao, and Abdul-Majid Wazwaz
In this research, the surface waves of a horizontal fluid layer open to air under gravity field and vertical temperature gradient effects are studied. The governing equations of this model are reformulated and converted to a nonlinear evolution equation, the perturbed Korteweg–de Vries (pKdV) equati...
[Phys. Rev. E 95, 062211] Published Wed Jun 14, 2017



Coherence of biochemical oscillations is bounded by driving force and network topology

2017-06-14T10:00:00-04:00

Author(s): Andre C. Barato and Udo Seifert
Biochemical oscillations are prevalent in living organisms. Systems with a small number of constituents cannot sustain coherent oscillations for an indefinite time because of fluctuations in the period of oscillation. We show that the number of coherent oscillations that quantifies the precision of ...
[Phys. Rev. E 95, 062409] Published Wed Jun 14, 2017



Discontinuous change of shear modulus for frictional jammed granular materials

2017-06-14T10:00:00-04:00

Author(s): Michio Otsuki and Hisao Hayakawa
The shear modulus of jammed frictional granular materials with harmonic repulsive interaction under an oscillatory shear is numerically investigated. It is confirmed that the storage modulus, the real part of the shear modulus, for frictional grains with sufficiently small strain amplitude γ_{0} dis...
[Phys. Rev. E 95, 062902] Published Wed Jun 14, 2017



Modeling polymorphic transformation of rotating bacterial flagella in a viscous fluid

2017-06-14T10:00:00-04:00

Author(s): William Ko, Sookkyung Lim, Wanho Lee, Yongsam Kim, Howard C. Berg, and Charles S. Peskin

In this paper, the authors study two different mechanisms that cause shape changes in the flagella of swimming bacteria. They describe the motion of the flagellar filaments with a model that includes a fluid-structure interaction, and find agreement with previously obtained experimental results.

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[Phys. Rev. E 95, 063106] Published Wed Jun 14, 2017



Laser-driven shock waves studied by x-ray radiography

2017-06-14T10:00:00-04:00

Author(s): L. Antonelli, S. Atzeni, A. Schiavi, S. D. Baton, E. Brambrink, M. Koenig, C. Rousseaux, M. Richetta, D. Batani, P. Forestier-Colleoni, E. Le Bel, Y. Maheut, T. Nguyen-Bui, X. Ribeyre, and J. Trela
Multimegabar laser-driven shock waves are unique tools for studying matter under extreme conditions. Accurate characterization of shocked matter is for instance necessary for measurements of equation of state data or opacities. This paper reports experiments performed at the LULI facility on the dia...
[Phys. Rev. E 95, 063205] Published Wed Jun 14, 2017



Determination of the conformal-field-theory central charge by the Wang-Landau algorithm

2017-06-14T10:00:00-04:00

Author(s): P. A. Belov, A. A. Nazarov, and A. O. Sorokin
We present a simple method to estimate the central charge of the conformal field theory corresponding to a critical point of a two-dimensional lattice model from Monte Carlo simulations. The main idea is to use the Wang-Landau flat-histogram algorithm, which allows us to obtain the free energy of a ...
[Phys. Rev. E 95, 063308] Published Wed Jun 14, 2017



Lattice Boltzmann simulations of heat transfer in fully developed periodic incompressible flows

2017-06-14T10:00:00-04:00

Author(s): Zimeng Wang, Helen Shang, and Junfeng Zhang
Flow and heat transfer in periodic structures are of great interest for many applications. In this paper, we carefully examine the periodic features of fully developed periodic incompressible thermal flows, and incorporate them in the lattice Boltzmann method (LBM) for flow and heat transfer simulat...
[Phys. Rev. E 95, 063309] Published Wed Jun 14, 2017



Information trimming: Sufficient statistics, mutual information, and predictability from effective channel states

2017-06-13T10:00:00-04:00

Author(s): Ryan G. James, John R. Mahoney, and James P. Crutchfield
One of the most basic characterizations of the relationship between two random variables, X and Y, is the value of their mutual information. Unfortunately, calculating it analytically and estimating it empirically are often stymied by the extremely large dimension of the variables. One might hope to...
[Phys. Rev. E 95, 060102(R)] Published Tue Jun 13, 2017



Diffusion in the presence of a local attracting factor: Theory and interdisciplinary applications

2017-06-13T10:00:00-04:00

Author(s): Hardi Veermäe and Marco Patriarca
In many complex diffusion processes the drift of random walkers is not caused by an external force, as in the case of Brownian motion, but by local variations of fitness perceived by the random walkers. In this paper, a simple but general framework is presented that describes such a type of random m...
[Phys. Rev. E 95, 062116] Published Tue Jun 13, 2017



Interference of two codirectional exclusion processes in the presence of a static bottleneck: A biologically motivated model

2017-06-13T10:00:00-04:00

Author(s): Bhavya Mishra and Debashish Chowdhury
We develop a two-species exclusion process with a distinct pair of entry and exit sites for each species of rigid rods. The relatively slower forward stepping of the rods in an extended bottleneck region, located in between the two entry sites, controls the extent of interference of the codirectiona...
[Phys. Rev. E 95, 062117] Published Tue Jun 13, 2017



Predicting mixing via resonances: Application to spherical piecewise isometries

2017-06-13T10:00:00-04:00

Author(s): Lachlan D. Smith, Paul P. Park, Paul B. Umbanhowar, Julio M. Ottino, and Richard M. Lueptow
We present an analytic method to find the areas of nonmixing regions in orientation-preserving spherical piecewise isometries (PWIs), and apply it to determine the mixing efficacy of a class of spherical PWIs derived from granular flow in a biaxial tumbler. We show that mixing efficacy has a complex...
[Phys. Rev. E 95, 062210] Published Tue Jun 13, 2017



Pragmatical access to the viscous flow of undercooled liquids

2017-06-13T10:00:00-04:00

Author(s): U. Buchenau
The paper derives a relation for the viscosity of undercooled liquids on the basis of the pragmatical model concept of Eshelby relaxations with a finite lifetime. From accurate shear relaxation data in the literature, one finds that slightly less than half of the internal stresses relax directly via...
[Phys. Rev. E 95, 062603] Published Tue Jun 13, 2017



Picosecond time-resolved measurements of dense plasma line shifts

2017-06-13T10:00:00-04:00

Author(s): C. R. Stillman, P. M. Nilson, S. T. Ivancic, I. E. Golovkin, C. Mileham, I. A. Begishev, and D. H. Froula
Picosecond time-resolved x-ray spectroscopy is used to measure the spectral line shift of the 1s2p−1s^{2} transition in He-like Al ions as a function of the instantaneous plasma conditions. The plasma temperature and density are inferred from the Al He_{α} complex using a nonlocal-thermodynamic-equi...
[Phys. Rev. E 95, 063204] Published Tue Jun 13, 2017



Chemical-potential-based lattice Boltzmann method for nonideal fluids

2017-06-13T10:00:00-04:00

Author(s): Binghai Wen, Xuan Zhou, Bing He, Chaoying Zhang, and Haiping Fang
Chemical potential, as an important thermodynamic quantity, has been popularly used in thermodynamic modeling for complex systems, especially for those involving the phase transitions and chemical reactions. Here we present a chemical-potential-based multiphase lattice Boltzmann model, in which the ...
[Phys. Rev. E 95, 063305] Published Tue Jun 13, 2017



Entropic multirelaxation-time lattice Boltzmann method for moving and deforming geometries in three dimensions

2017-06-13T10:00:00-04:00

Author(s): B. Dorschner, S. S. Chikatamarla, and I. V. Karlin
Entropic lattice Boltzmann methods have been developed to alleviate intrinsic stability issues of lattice Boltzmann models for under-resolved simulations. Its reliability in combination with moving objects was established for various laminar benchmark flows in two dimensions in our previous work [B....
[Phys. Rev. E 95, 063306] Published Tue Jun 13, 2017



Modeling of nanoscale liquid mixture transport by density functional hydrodynamics

2017-06-13T10:00:00-04:00

Author(s): Oleg Yu. Dinariev and Nikolay V. Evseev
Modeling of multiphase compositional hydrodynamics at nanoscale is performed by means of density functional hydrodynamics (DFH). DFH is the method based on density functional theory and continuum mechanics. This method has been developed by the authors over 20 years and used for modeling in various ...
[Phys. Rev. E 95, 063307] Published Tue Jun 13, 2017



Entropy measures, entropy estimators, and their performance in quantifying complex dynamics: Effects of artifacts, nonstationarity, and long-range correlations

2017-06-12T10:00:00-04:00

Author(s): Wanting Xiong, Luca Faes, and Plamen Ch. Ivanov
Entropy measures are widely applied to quantify the complexity of dynamical systems in diverse fields. However, the practical application of entropy methods is challenging, due to the variety of entropy measures and estimators and the complexity of real-world time series, including nonstationarities...
[Phys. Rev. E 95, 062114] Published Mon Jun 12, 2017



Critical behavior of a two-step contagion model with multiple seeds

2017-06-12T10:00:00-04:00

Author(s): Wonjun Choi, Deokjae Lee, and B. Kahng

Using a two-step extension of a well-known epidemic model with multiple seeds, the authors observe two different spreading behaviors. Depending on the concentration of initially infected seeds, the epidemic transition can be a hybrid one showing both continuous and discontinuous behavior, or a continuous one.

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[Phys. Rev. E 95, 062115] Published Mon Jun 12, 2017



Revoking amplitude and oscillation deaths by low-pass filter in coupled oscillators

2017-06-12T10:00:00-04:00

Author(s): Wei Zou, Meng Zhan, and Jürgen Kurths
When in an ensemble of oscillatory units the interaction occurs through a diffusion-like manner, the intrinsic oscillations can be quenched through two structurally different scenarios: amplitude death (AD) and oscillation death (OD). Unveiling the underlying principles of stable rhythmic activity a...
[Phys. Rev. E 95, 062206] Published Mon Jun 12, 2017



Rattleback dynamics and its reversal time of rotation

2017-06-12T10:00:00-04:00

Author(s): Yoichiro Kondo and Hiizu Nakanishi
A rattleback is a rigid, semielliptic toy which exhibits unintuitive behavior; when it is spun in one direction, it soon begins pitching and stops spinning, then it starts to spin in the opposite direction, but in the other direction, it seems to spin just steadily. This puzzling behavior results fr...
[Phys. Rev. E 95, 062207] Published Mon Jun 12, 2017



Solitons in the nonlinear Schrödinger equation with two power-law nonlinear terms modulated in time and space

2017-06-12T10:00:00-04:00

Author(s): Houria Triki, K. Porsezian, and Amitava Choudhuri
A nonlinear Schrödinger equation that includes two terms with power-law nonlinearity and external potential modulated both on time and on the spatial coordinates is considered. The model appears in various branches of contemporary physics, especially in the case of lower values of the nonlinearity p...
[Phys. Rev. E 95, 062208] Published Mon Jun 12, 2017



Achilles' heel of a traveling pulse subject to a local external stimulus

2017-06-12T10:00:00-04:00

Author(s): Kei Nishi, Shogo Suzuki, Katsuhiko Kayahara, Masakazu Kuze, Hiroyuki Kitahata, Satoshi Nakata, and Yasumasa Nishiura
The response of a traveling pulse to a local external stimulus is considered numerically for a modified three-component Oregonator, which is a model system for the photosensitive Belousov-Zhabotinsky (BZ) reaction. The traveling pulse is traced and constantly stimulated, with the distance between th...
[Phys. Rev. E 95, 062209] Published Mon Jun 12, 2017



Weighted growing simplicial complexes

2017-06-12T10:00:00-04:00

Author(s): Owen T. Courtney and Ginestra Bianconi
Simplicial complexes describe collaboration networks, protein interaction networks, and brain networks and in general network structures in which the interactions can include more than two nodes. In real applications, often simplicial complexes are weighted. Here we propose a nonequilibrium model fo...
[Phys. Rev. E 95, 062301] Published Mon Jun 12, 2017



Q

2017-06-12T10:00:00-04:00

Author(s): Wojciech Radosz, Adam Mielnik-Pyszczorski, Marta Brzezińska, and Katarzyna Sznajd-Weron
We study a q-voter model with stochastic driving on a complete graph with q being a random variable described by probability density function P(q), instead of a constant value. We investigate two types of P(q): (1) artificial with the fixed expected value 〈q〉, but a changing variance and (2) empiric...
[Phys. Rev. E 95, 062302] Published Mon Jun 12, 2017



Effects of communication burstiness on consensus formation and tipping points in social dynamics

2017-06-12T10:00:00-04:00

Author(s): C. Doyle, B. K. Szymanski, and G. Korniss
Current models for opinion dynamics typically utilize a Poisson process for speaker selection, making the waiting time between events exponentially distributed. Human interaction tends to be bursty though, having higher probabilities of either extremely short waiting times or long periods of silence...
[Phys. Rev. E 95, 062303] Published Mon Jun 12, 2017



Bubble gating in biological ion channels: A density functional theory study

2017-06-12T10:00:00-04:00

Author(s): Florian Gußmann and Roland Roth

This paper presents results on the distribution of a liquid inside a biological ion channel, using density functional theory. The authors find their results consistent with the bubble-gating model, in which pockets of low density fluid that appear in narrow passages trigger the gating of the channel.

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[Phys. Rev. E 95, 062407] Published Mon Jun 12, 2017



Fluorescence correlation spectroscopy experiments to quantify free diffusion coefficients in reaction-diffusion systems: The case of Ca^{2+} and its dyes

2017-06-12T10:00:00-04:00

Author(s): Lorena Sigaut, Cecilia Villarruel, María Laura Ponce, and Silvina Ponce Dawson
Many cell signaling pathways involve the diffusion of messengers that bind and unbind to and from intracellular components. Quantifying their net transport rate under different conditions then requires having separate estimates of their free diffusion coefficient and binding or unbinding rates. In t...
[Phys. Rev. E 95, 062408] Published Mon Jun 12, 2017



Pneumatic fractures in confined granular media

2017-06-12T10:00:00-04:00

Author(s): Fredrik K. Eriksen, Renaud Toussaint, Antoine L. Turquet, Knut J. Måløy, and Eirik G. Flekkøy
We perform experiments where air is injected at a constant overpressure P_{in}, ranging from 5 to 250 kPa, into a dry granular medium confined within a horizontal linear Hele-Shaw cell. The setup allows us to explore compacted configurations by preventing decompaction at the outer boundary, i.e., th...
[Phys. Rev. E 95, 062901] Published Mon Jun 12, 2017



Electro-osmotic flow through nanopores in thin and ultrathin membranes

2017-06-12T10:00:00-04:00

Author(s): Dmitriy V. Melnikov, Zachery K. Hulings, and Maria E. Gracheva
We theoretically study how the electro-osmotic fluid velocity in a charged cylindrical nanopore in a thin solid state membrane depends on the pore's geometry, membrane charge, and electrolyte concentration. We find that when the pore's length is comparable to its diameter, the velocity profile devel...
[Phys. Rev. E 95, 063105] Published Mon Jun 12, 2017



Auxiliary variables for numerically solving nonlinear equations with softly broken symmetries

2017-06-12T10:00:00-04:00

Author(s): Ken D. Olum and Ali Masoumi
General methods for solving simultaneous nonlinear equations work by generating a sequence of approximate solutions that successively improve a measure of the total error. However, if the total error function has a narrow curved valley, the available techniques tend to find the solution after a very...
[Phys. Rev. E 95, 063304] Published Mon Jun 12, 2017



Escape routes, weak links, and desynchronization in fluctuation-driven networks

2017-06-09T10:00:00-04:00

Author(s): Benjamin Schäfer, Moritz Matthiae, Xiaozhu Zhang, Martin Rohden, Marc Timme, and Dirk Witthaut
Shifting our electricity generation from fossil fuel to renewable energy sources introduces large fluctuations to the power system. Here, we demonstrate how increased fluctuations, reduced damping, and reduced intertia may undermine the dynamical robustness of power grid networks. Focusing on fundam...
[Phys. Rev. E 95, 060203(R)] Published Fri Jun 09, 2017



Multicritical points and topology-induced inverse transition in the random-field Blume-Capel model in a random network

2017-06-09T10:00:00-04:00

Author(s): R. Erichsen, Jr., Amanda Azevedo Lopes, and S. G. Magalhaes
The interplay between quenched disorder provided by a random field (RF) and network connectivity in the Blume-Capel (BC) model is the subject of this paper. The replica method is used to average over the network randomness. It offers an alternative analytic route to both numerical simulations and st...
[Phys. Rev. E 95, 062113] Published Fri Jun 09, 2017



Coupling conditions for globally stable and robust synchrony of chaotic systems

2017-06-09T10:00:00-04:00

Author(s): Suman Saha, Arindam Mishra, E. Padmanaban, Sourav K. Bhowmick, Prodyot K. Roy, Bivas Dam, and Syamal K. Dana
We propose a set of general coupling conditions to select a coupling profile (a set of coupling matrices) from the linear flow matrix of dynamical systems for realizing global stability of complete synchronization (CS) in identical systems and robustness to parameter perturbation. The coupling matri...
[Phys. Rev. E 95, 062204] Published Fri Jun 09, 2017



GOE-GUE-Poisson transitions in the nearest-neighbor spacing distribution of magnetoexcitons

2017-06-09T10:00:00-04:00

Author(s): Frank Schweiner, Jörg Main, and Günter Wunner
Recent investigations on the Hamiltonian of excitons by Schweiner et al.. [Phys. Rev. Lett. 118, 046401 (2017)] revealed that the combined presence of a cubic band structure and external fields breaks all antiunitary symmetries. The nearest-neighbor spacing distribution of magnetoexcitons can exhib...
[Phys. Rev. E 95, 062205] Published Fri Jun 09, 2017



Crossing fitness canyons by a finite population

2017-06-09T10:00:00-04:00

Author(s): David B. Saakian, Alexander S. Bratus, and Chin-Kun Hu
We consider the Wright-Fisher model of the finite population evolution on a fitness landscape defined in the sequence space by a path of nearly neutral mutations. We study a specific structure of the fitness landscape: One of the intermediate mutations on the mutation path results in either a large ...
[Phys. Rev. E 95, 062405] Published Fri Jun 09, 2017



Phenomenology of stochastic exponential growth

2017-06-09T10:00:00-04:00

Author(s): Dan Pirjol, Farshid Jafarpour, and Srividya Iyer-Biswas
Stochastic exponential growth is observed in a variety of contexts, including molecular autocatalysis, nuclear fission, population growth, inflation of the universe, viral social media posts, and financial markets. Yet literature on modeling the phenomenology of these stochastic dynamics has predomi...
[Phys. Rev. E 95, 062406] Published Fri Jun 09, 2017



Internal rupture and rapid bouncing of impacting drops induced by submillimeter-scale textures

2017-06-09T10:00:00-04:00

Author(s): Rui Zhang, Xiwen Zhang, Pengfei Hao, and Feng He
We demonstrate an internal breakup mechanism for high Weber number drop impact on superhydrophobic surfaces uniformly patterned with submillimeter-scale textures, in which the liquid film ruptures from both interior and rim. The employment of submillimeter-scale posts could help decrease the critica...
[Phys. Rev. E 95, 063104] Published Fri Jun 09, 2017



Kaiser-Bessel basis for particle-mesh interpolation

2017-06-09T10:00:00-04:00

Author(s): Xingyu Gao, Jun Fang, and Han Wang
In this work, we introduce the Kaiser-Bessel interpolation basis for the particle-mesh interpolation in the fast Ewald method. A reliable a priori error estimate is developed to measure the accuracy of the force computation in correlated charge systems, and is shown to be effective in optimizing the...
[Phys. Rev. E 95, 063303] Published Fri Jun 09, 2017



Symmetries and nonequilibrium thermodynamics

2017-06-08T10:00:00-04:00

Author(s): Sergio Bordel
Thermodynamic systems can be defined as composed by many identical interacting subsystems. Here it is shown how the dynamics of relaxation toward equilibrium of a thermodynamic system is closely related to the symmetry group of the Hamiltonian of the subsystems of which it is composed. The transitio...
[Phys. Rev. E 95, 062108] Published Thu Jun 08, 2017



Gain and loss in open quantum systems

2017-06-08T10:00:00-04:00

Author(s): Hichem Eleuch and Ingrid Rotter
Photosynthesis is the basic process used by plants to convert light energy in reaction centers into chemical energy. The high efficiency of this process is not yet understood today. Using the formalism for the description of open quantum systems by means of a non-Hermitian Hamilton operator, we cons...
[Phys. Rev. E 95, 062109] Published Thu Jun 08, 2017