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The axisymmetric form of the hydrodynamic equations within the smoothed particle hydrodynamics (SPH) formalism is presented and checked using idealized scenarios taken from astrophysics (free fall collapse, implosion and further pulsation…

天体物理学 · 物理学 2009-11-13 D. Garcia-Senz , A. Relano , R. M. Cabezon , E. Bravo

Generalized hydrodynamics (GHD) was proposed recently as a formulation of hydrodynamics for integrable systems, taking into account infinitely-many conservation laws. In this note we further develop the theory in various directions. By…

统计力学 · 物理学 2017-05-24 Benjamin Doyon , Takato Yoshimura

In this article we review the thermodynamics of liquids in the framework of the inherent structure formalism. We then present calculations of the distribution of the basins in the potential energy of a binary Lennard-Jones mixture as a…

软凝聚态物质 · 物理学 2009-10-31 F. Sciortino , W. Kob , P. Tartaglia

We review here the development of the general formalism for the study of fermion propagation in the presence of stochastic media. This formalism allows the systematic derivation of evolution equations for averaged quantities as survival…

高能物理 - 唯象学 · 物理学 2007-05-23 E. Torrente-Lujan

We introduce fluctuating hydrodynamics approaches on surfaces for capturing the drift-diffusion dynamics of particles and microstructures immersed within curved fluid interfaces of spherical shape. We take into account the interfacial…

软凝聚态物质 · 物理学 2023-10-24 David Rower , Misha Padidar , Paul J. Atzberger

We study anomalous magnetohydrodynamics in a longitudinal boost invariant Bjorken flow with constant anisotropic electric conductivities as outlined in Ref. [1]. For simplicity, we consider a neutral fluid and a force-free magnetic field in…

高能物理 - 唯象学 · 物理学 2021-02-03 Ren-jie Wang , Patrick Copinger , Shi Pu

The numerical solutions of nonlocal and local Boltzmann kinetic equations for the simulation of central heavy ion reactions are parameterized in terms of time dependent thermodynamical variables in the Fermi liquid sense. This allows one to…

核理论 · 物理学 2009-11-06 Klaus Morawetz

We describe simulations of a microscopic elastic filament immersed in a fluid and subject to a uniform external force. Our method accounts for the hydrodynamic coupling between the flow generated by the filament and the friction force it…

软凝聚态物质 · 物理学 2009-11-11 M. Cosentino Lagomarsino , I. Pagonabarraga , C. P. Lowe

We investigate the energy transfer dynamics in a donor-acceptor model by developing a time-local master equation technique based on a variational transformation of the underlying Hamiltonian. The variational transformation allows a…

量子物理 · 物理学 2011-09-19 Dara P. S. McCutcheon , Ahsan Nazir

This is a set of four lectures devoted to simple ideas about turbulent transport, a ubiquitous non-equilibrium phenomenon. In the course similar to that given by the author in 2006 in Warwick [45], we discuss lessons which have been learned…

混沌动力学 · 物理学 2008-06-12 Krzysztof Gawedzki

We generalize the derivation of viscous anisotropic hydrodynamics from kinetic theory to allow for non-zero particle masses. The macroscopic theory is obtained by taking moments of the Boltzmann equation after expanding the distribution…

核理论 · 物理学 2015-03-26 Dennis Bazow , Ulrich W. Heinz , Mauricio Martinez

The nonequilibrium dynamic phase transition in ferromagnetic systems is reviewed. Very recent results of dynamic transition in kinetic Ising model and that in Heisenberg ferromagnet is discussed.

统计力学 · 物理学 2013-02-15 Muktish Acharyya

The study of dynamical large deviations allows for a characterization of stationary states of lattice gas models out of equilibrium conditioned on averages of dynamical observables. The application of this framework to the two-dimensional…

统计力学 · 物理学 2021-11-05 Ricardo Gutiérrez , Carlos Pérez-Espigares

The joint magnetic and mechanical motion of a ferromagnetic nanoparticle in a viscous fluid is considered within the dynamical approach. The equation based on the total momentum conservation law is used for the description of the mechanical…

其他凝聚态物理 · 物理学 2018-04-03 T. V. Lyutyy , O. M. Hryshko , A. A. Kovner

We study a model of rolling particles subject to stochastic fluctuations, which may be relevant in systems of nano- or micro-scale particles where rolling is an approximation for strong static friction. We consider the simplest possible…

数学物理 · 物理学 2016-10-04 Miranda Holmes-Cerfon

We propose a generalization of equations of quantum mechanics in the hydrodynamic form by introducing the terms taking into account the diffusion velocity at zero and finite temperatures and the density energy of diffusion pressure of the…

统计力学 · 物理学 2011-12-08 O. N. Golubjeva , A. D. Sukhanov , V. G. Bar'yakhtar

We derive the hydrodynamic limit of a kinetic equation where the interactions in velocity are modelled by a linear operator (Fokker-Planck or Linear Boltzmann) and the force in the Vlasov term is a stochastic process with high amplitude and…

偏微分方程分析 · 数学 2020-03-23 Arnaud Debussche , Julien Vovelle

We study the thermodynamics and non-relativistic hydrodynamics of the holographic fluid on a finite cutoff surface in the Gauss-Bonnet gravity. It is shown that the isentropic flow of the fluid is equivalent to a radial component of…

高能物理 - 理论 · 物理学 2012-08-06 Rong-Gen Cai , Li Li , Zhang-Yu Nie , Yun-Long Zhang

We study thermodynamic formalism of dynamical systems with non-uniform structure. Precisely, we obtain the uniqueness of equilibrium states for a family of non-uniformly expansive flows by generalizing Climenhaga-Thompson's orbit…

动力系统 · 数学 2025-04-18 Tianyu Wang , Weisheng Wu

A simple generalization of the MHD model accounting for the fluctuations of the configurations due to kinetic effects in plasmas in short times small scales is considered. The velocity of conductive fluid and the magnetic field are…

等离子体物理 · 物理学 2007-10-26 D. Volchenkov , R. Lima
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