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Physical Review E

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  1. Waxing and waning of dynamical heterogeneity in the superionic state.

    Physical Review E 89(1):010301 (2014) PMID 24580154

    Our work, which has rigorously identified the onset of superionicity, gives a different direction for interpreting scattering experiments on the basis of statistical, correlated dynamics....
  2. Controlling active self-assembly through broken particle-shape symmetry.

    Physical Review E 89(1):010302 (2014) PMID 24580155

    We use large-scale simulations of homo- and heterogeneous self-propelled particle systems to identify generic effects of broken particle-shape symmetry on collective motion. We find that even small violations of fore-aft symmetry lead to fundamentally different collective behaviors, which may facili...
  3. Generalized entropy production phenomena: a master-equation approach.

    Physical Review E 89(1):012114 (2014) PMID 24580179

    The time rate of generalized entropic forms, defined in terms of discrete probabilities following a master equation, is investigated. Both contributions, namely entropy production and flux, are obtained, extending works carried previously for the Boltzmann-Gibbs entropy to a wide class of entropic f...
  4. Analytical solution of the generalized Langevin equation with hydrodynamic interactions: subdiffusion of heavy tracers.

    Physical Review E 89(1):012130 (2014) PMID 24580195

    We consider a generalized Langevin equation that can be used to describe thermal motion of a tracer in a viscoelastic medium by accounting for inertial and hydrodynamic effects at short times, subdiffusive scaling at intermediate times, and eventual optical trapping at long times. We derive a Laplac...
  5. Effect of concentration polarization on permselectivity.

    Physical Review E 89(1):012302 (2014) PMID 24580222

    In this paper, the variation of permselectivity in the course of concentration polarization is systematically analyzed for a three-layer membrane system consisting of a nonperfectly permselective ion exchange membrane, homogeneous or heterogeneous, flanked by two diffusion layers of a binary univale...
  6. Extended nonlinear Schrödinger equation with higher-order odd and even terms and its rogue wave solutions.

    Physical Review E 89(1):012907 (2014) PMID 24580297

    We consider an extended nonlinear Schrödinger equation with higher-order odd (third order) and even (fourth order) terms with variable coefficients. The resulting equation has soliton solutions and approximate rogue wave solutions. We present these solutions up to second order. Moreover, specific co...
  7. Chronotaxic systems with separable amplitude and phase dynamics.

    Physical Review E 89(1):012922 (2014) PMID 24580312

    Until recently, deterministic nonautonomous oscillatory systems with stable amplitudes and time-varying frequencies were not recognized as such and have often been mistreated as stochastic. These systems, named chronotaxic, were introduced in Phys. Rev. Lett. 111, 024101 (2013). In contrast to conve...
  8. Numerical study of turbulent flow over complex aeolian dune fields: the White Sands National Monument.

    Physical Review E 89(1):013005 (2014) PMID 24580318

    We evaluate the spatial structure of Kelvin-Helmholtz instabilities present in the dune field sublayer (shear length L(s) and vortex spacing Λ(x)) and show that Λ(x)=m(dune)L(s), where m(dune)≈7.2 in the different sections considered (for turbulent mixing layers, 7<10 [M. M. Rogers and R. D. Moser...
  9. Generalized second-order slip boundary condition for nonequilibrium gas flows.

    Physical Review E 89(1):013021 (2014) PMID 24580334

    We obtained a method for nonequilibrium gas flows with solid boundaries. The method is applied to several rarefied gas flows involving planar or curved walls, including the Kramers' problem, the planar Poiseuille flow, the cylindrical Couette flow, and the low speed flow over a sphere. The results s...
  10. Faraday instability in a near-critical fluid under weightlessness.

    Physical Review E 89(1):013022 (2014) PMID 24580335

    We investigated such instability in the absence of stabilizing gravity. Under such conditions, vibration orients the interface and can destabilize it. The experiments confirm the existence of Faraday waves and demonstrate a transition from a square to a line pattern close to the critical point. They...