http://pre.aps.org/ Accepted Papers for Physical Review E en-us Copyright (c) 2008 The American Physical Society 2008-07-20T21:00:21-04:00 assocpub@aps.org rss@aps.org hourly 4 2008-07-20T21:00:21-04:00 rss@aps.org http://pre.aps.org/accepted/E/8307cRfeF261780c431f64e753866b7dad4570492 High-resolution adiabatic scanning calorimetry and differential scanning calorimetry have been employed to study the thermal behaviour of an organo-siloxane tetrapode reported to exhibit a biaxial nematic phase. No signature of the uniaxial to biaxial nematic phase transition could be retraced in se... George Cordoyiannis, Daniela Apreutesei, Georg H. Mehl, Christ Glorieux and Jan Thoen 2008-07-18T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Liquid crystals Liquid crystals http://pre.aps.org/accepted/E/26073Re0Ecb13e0645560672444fc353c8e9a5f8d We investigate the representation of Lagrangian velocities in heterogeneous porous media as Markov processes. We use numerical simulations to show that classical descriptions of particle velocities using Markov processes in time fail because low velocities are much more strongly correlated in time t... Le Le Borgne Tanguy, Marco Dentz and Jesus Carrera 2008-07-18T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Fluid dynamics Fluid dynamics http://pre.aps.org/accepted/L/ae077Y7fE2a19d1d074c0a608af804996bbfad885 We present a stochastic two-population model that describes the migration and growth of semi-sedentary foragers and sedentary farmers along a river valley during the Neolithic transition. The main idea of this paper is that random migration and transition from a sedentary to a foraging way of life, ... Sergei Fedotov, David Moss and Daniel Campos 2008-07-18T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Interdisciplinary physics Interdisciplinary physics http://pre.aps.org/accepted/E/f8079RcbE991350063fe4b69e41cf48946e0cf146 To better understand the subsurface velocity field and flowing layer structure, we have performed a detailed numerical study using the discrete element method for the flow of monodisperse particles in half-full 3d and quasi-2d rotating tumblers. Consistent with prior measurements at the surface, a r... Pengfei Chen, Julio M. Ottino and Richard M. Lueptow 2008-07-18T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Granular materials Granular materials http://pre.aps.org/accepted/E/2907fR3bL161330911cb01d36d9869635b16dc77e With Monte Carlo simulations, we study the dynamic relaxation at perfect and non-perfect surfaces of the three-dimensional Ising model with an ordered initial state. The time evolution of the surface magnetization, the line magnetization of the defect line, and the corresponding susceptibilities and... S. Z. Lin and B. Zheng 2008-07-18T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Statistical physics Statistical physics http://pre.aps.org/accepted/E/9c07eR54F0cW451db00242a8b177ab16d2f699d4d We have investigated how the interface width between two thin polymer films approaches its equilibrium state. Neutron reflection for different polyolefin bilayers of various degree of incompatibility as a function of the annealing time was measured. By tuning the interaction parameter, we have probe... W. Beziel, G. Fragneto, F. Cousin and M. Sferrazza 2008-07-18T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Polymers Polymers http://pre.aps.org/accepted/E/b8070RadAa81330d42cb70712fb648ddabb0c8a11 The coexistence of two stable limit-cycles exhibiting different periods is examined for a nonlinear oscillator subject to a delayed feedback. For the case of a weakly nonlinear oscillator, we discuss the validity of a previously determined phase equation. For the case of a strongly nonlinear oscilla... Thomas Erneux and Johan Grasman 2008-07-18T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Chaos and pattern formation Chaos and pattern formation http://pre.aps.org/accepted/E/ac07bR57Fc618c0b53c52c83d1d130760ffbfe8a1 The dynamic behavior of spiral-shaped excitation patterns with oscillatory dispersion is investigated under the influence of externally applied direct current or alternating current. For these two types of electric field, wave-grouping phenomena are generally observed. For the direct current field, ... Jinming Luo and Meng Zhan 2008-07-18T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Chaos and pattern formation Chaos and pattern formation http://pre.aps.org/accepted/L/c107eY35J691cd0040d91f23d9ada57c836a2ec0b The choice of free parameters in network models is subjective, since it depends on what topological properties are being monitored. However, we show that the Maximum Likelihood (ML) principle indicates a unique, statistically rigorous parameter choice, associated to a well defined topological featur... Diego Garlaschelli and Maria I. Loffredo 2008-07-18T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Interdisciplinary physics Interdisciplinary physics http://pre.aps.org/accepted/E/e9075R45E33Wc914205b3d8229dbb657a47a5500e Simulations of avascular cancer growth are performed using experimental values of the relevant parameters. This permits a realistic assessment of the influence of these parameters on cancer growth dynamics. In general, an early exponential growth phase is followed by a linear regime (as observed in ... S. A. Menchon and C. A. Condat 2008-07-18T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Biological physics Biological physics http://pre.aps.org/accepted/D/27077Q8aAba19c06436f982077e2af014cc9347c1 The Molière theory of multiple Coulomb scattering is improved to take account of ionization loss by applying a differential formulation of the theory. Distributions for the deflection angle [(q)\vec], as well as for any linear combination between [(q)\vec] and the lateral displacement [r\vec], ... Takao Nakatsuka and Jun Nishimura 2008-07-18T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Statistical physics Statistical physics http://pre.aps.org/accepted/L/4f07bYdeEcf10613d2297e82b4248f84b22694420 For a two-level quantum mechanical system, we derive microscopically the exact expression for the fluctuation of microscopic work in a multi-step non-equilibrium process, and we rigorously prove that in an isothermal process, the fluctuation is vanishingly small, and the most probabilistic work just... H. T. Quan, S. Yang and C. P. Sun 2008-07-18T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Statistical physics Statistical physics http://pre.aps.org/accepted/E/c8072R19E5f1f90e144e08b11fcbdf2421e83dd38 We investigated the structural features of micelles formed by the self association of the pentablock copolymer poly(N,N-(diethyl amino)ethyl methacrylate)-block-poly(ethylene oxide)-block-poly(propylene oxide)-block-poly(ethyleneoxide)-block-poly(N,N-(diethylamino)ethyl methacrylate) (PDEAEM-PEO-PPO... Michael D. Determan, Liang Guo, Lo ChiehTsung, P. Thiyagarajan and Surya K. Mallapragada 2008-07-17T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Polymers Polymers http://pre.aps.org/accepted/E/1c07aR64Tfd13402d4c089090dd7ebd63472b7115 The male Troides magellanus - a birdwing butterfly that lives in a restricted area of the Philippines - concentrates on its hindwings at least two distinct optical processes that contribute to its exceptional visual attraction. The first is the very bright uniform yellow colouration caused by a pigm... Jean Pol Vigneron, Krisztian Kertesz, Zofia Vertesy, Marie Rassart, Virginie Lousse, Zsolt Balint and Laszlo P. Biro 2008-07-17T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Biological physics Biological physics http://pre.aps.org/accepted/E/e7074R24Tad10e04d2a0952263c9e3d97c3fd85a3 We demonstrate, using kinetic Monte Carlo simulations of submonolayer epitaxial growth, that long jumps and reversible aggregation have a major impact on the evolution of island morphologies. Long jumps are responsible for a supra-Arrhenius behavior of the effective diffusion coefficient as the atta... A. Beausoleil, P. Desjardins and A. Rochefort 2008-07-17T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Films, interfaces, and crystal growth Films, interfaces, and crystal growth http://pre.aps.org/accepted/E/1d075R3cD291e609a5d401a4c75fcfa85f6918eac Colloidal particles naturally exhibit a size polydispersity that can greatly influence their phase behaviour in solution. Nonadditive hard sphere (NAHS) mixtures are simple and well-suited model systems to represent phase transitions in colloid systems. Here, we propose a new analytical equation of ... Patrice Paricaud 2008-07-17T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Equilibrium and linear transport properties of fluids Equilibrium and linear transport properties of fluids http://pre.aps.org/accepted/E/0307fRa9E7d17f00735c3c95d2edace6fd9ec7c0e We have investigated the effect of cold drawing on the motion of phenylene rings in bisphenol-A polycarbonate by neutron scattering. The intensity scattered by isotropic and stretched polycarbonate is different, being the quasielasic broadening larger for the isotropic sample. This difference can be... Silvia Arrese Igor, Olatz Mitxelena, Arantxa Arbe, Angel Alegria, Juan Colmenero and Bernhard Frick 2008-07-17T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Polymers Polymers http://pre.aps.org/accepted/E/9a07eR69Fe81c10e33585ed5b1e09591b26b05166 In many biological systems, biological variability (i.e. systematic differences between the system components) can be expected to outrank statistical fluctuations in the shaping of self-organized patterns. In principle, the distribution of single-element properties should thus allow predicting featu... Daniel Geberth and MarcThorsten Hutt 2008-07-17T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Biological physics Biological physics http://pre.aps.org/accepted/E/5d075R3bE42W741ea0b33635c6970d2ae94a405db Abstract Abstract Abstract M. Simoes, M. Pazetti, S. M. Domiciano, D. A. Oliveira and A. J. Palangana 2008-07-17T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Liquid crystals Liquid crystals http://pre.aps.org/accepted/E/ea077R32Cfa16306537e99b35501e7139b93769e3 A model is developed which explains the collective plasma phenomena associated with the extended Franck-Hertz experiment described in Eur. J. Phys. 23, 533 (2002). The particular focus is on the formation of the free steady-state monotonic double layer. The approach used is a Bernstein-Greene-Kruska... Peter Nicoletopoulos 2008-07-17T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Plasma physics Plasma physics http://pre.aps.org/accepted/E/1e072R0bZd918506b3a29118275c94a40dd5d4fcd This paper focuses on the differences among the analytical optimization of traffic flow on a road network, modelled by a fluid - dynamic approach, and a dynamic random approach. In particular, two real urban networks are presented: Re di Roma Square, in Rome, and Via Parmenide crossing, in Salerno. ... A. Cascone, R. Manzo, B. Piccoli and L. Rarita 2008-07-17T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Interdisciplinary physics Interdisciplinary physics http://pre.aps.org/accepted/E/b2072R0fC6114907e3c964c9a67fd00fd630b3fbf The distribution of spatial domain structures originated during one and three dimensional Poisson-Voronoi transformations are computed analytically extending the recently obtained results for the two dimensional case. The presented method gives a full description of the developed microstructure and ... Eloi Pineda and Daniel Crespo 2008-07-16T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Statistical physics Statistical physics http://pre.aps.org/accepted/L/e4071Y2fXaf1061da40f05a544e4ce8f356014a3e We show the existence of natural subsurface channels that guide acoustic waves for periodic arrays of spherical grains under the influence of gravity. The positions of the channels for all allowed wave propagation constants, for the modes of different order, and for different orientations of the gra... Vitalyi Gusev and Vincent Tournat 2008-07-16T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Classical Physics Classical Physics http://pre.aps.org/accepted/E/5b07dRe4Df61de09535596a1c882054f82ca7efc6 Intermittency is usually identified in turbulent flows as non-Gaussian tails of the probability density functions (PDFs) of the turbulent fields derivatives. Here we investigate the role of phase coherence among the Fourier modes in creating intermittency in magnetized space plasmas using the techni... F. Sahraoui 2008-07-16T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Plasma physics Plasma physics http://pre.aps.org/accepted/L/c9070Y0eUd81301d44f798c5784765a50118367d3 In this paper we study nonlinear oscillatory systems consisting of two media, one supporting forwardly propagating waves while the other inwardly propagating waves, separated by an interface. We find a novel phenomenon: the interface can select a type of waves (ISWs). Under certain well defined para... Xiaohua Cui, Xiaoqing Huang, Zhoujian Cao, Hong Zhang and Hu Gang 2008-07-16T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited article Physical Review E Chaos and pattern formation Chaos and pattern formation