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相关论文: Relativistic non-resistive viscous magnetohydrodyn…

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We derive the exact solution of the Boltzmann kinetic equation for the three-dimensional Lorentz model in the presence of a constant and uniform magnetic field. The velocity distribution of the electrons reduces exponentially fast to its…

统计力学 · 物理学 2009-11-11 F. Cornu , J. Piasecki

We explore the relationship between linear and non-linear causality in theories of dissipative relativistic fluid dynamics. While for some fluid-dynamical theories, a linearized causality analysis can be used to determine whether the full…

高能物理 - 理论 · 物理学 2024-11-08 Raphael E. Hoult , Pavel Kovtun

We propose and analyze a new method for the unsteady incompressible magnetohydrodynamics equations on convex domains with hybrid approximations of both vector-valued and scalar-valued fields. The proposed method is convection-semirobust,…

数值分析 · 数学 2026-02-11 Daniele A. Di Pietro , Jerome Droniou , Vito Patierno

Fluid-dynamical equations of motion can be derived from the Boltzmann equation in terms of an expansion around a single-particle distribution function which is in local thermodynamical equilibrium, i.e., isotropic in momentum space in the…

核理论 · 物理学 2016-06-29 E. Molnar , H. Niemi , D. H. Rischke

We treat hydrodynamic limits of the Vlasov-Maxwell-Boltzmann system for one and two species of particles in a viscous incompressible regime.

偏微分方程分析 · 数学 2016-04-07 Diogo Arsénio , Laure Saint-Raymond

The Boltzmann equation for d-dimensional inelastic Maxwell models is considered to analyze transport properties in spatially inhomogeneous states close to the simple shear flow. A normal solution is obtained via a Chapman--Enskog--like…

统计力学 · 物理学 2009-11-13 Vicente Garzo

We establish the global existence of weak solutions of the isentropic compressible magnetohydrodynamic equations with ripped density in the whole plane provided the bulk viscosity coefficient is properly large. Moreover, we show that such…

偏微分方程分析 · 数学 2025-10-31 Shuai Wang , Guochun Wu , Xin Zhong

The transport coefficients of a dilute classical gas in the presence of a drag force proportional to the velocity of the particle are determined from the Boltzmann equation. The viscous drag force could model the friction of solid particles…

统计力学 · 物理学 2015-06-18 José Carlos Pérez-Fuentes , Vicente Garzó

We present new analytic solutions to the relativistic Boltzmann equation within the relaxation time approximation. We first obtain spherically expanding solutions which are the kinetic counterparts of the exact solutions of the…

高能物理 - 理论 · 物理学 2015-04-22 Yoshitaka Hatta , Mauricio Martinez , Bo-Wen Xiao

The problem of the derivation of hydrodynamics from the Boltzmann equation and related dissipative systems is formulated as the problem of slow invariant manifold in the space of distributions. We review a few instances where such…

数学物理 · 物理学 2014-06-05 A. N. Gorban , I. Karlin

We would like to formulate relativistic dissipative hydrodynamics for multi-component systems with multiple conserved currents. This is important for analyses of the hot matter created in relativistic heavy ion collisions because particle…

核理论 · 物理学 2011-03-23 Akihiko Monnai , Tetsufumi Hirano

We discuss transport equations resulting from relativistic diffusions in the proper time. We show that a solution of the transport equation can be obtained from the solution of the diffusion equation by means of an integration over the…

高能物理 - 理论 · 物理学 2009-11-19 Z. Haba

Using the extended relaxation time approximation (ERTA) along with the theory of semi-classical spin, we develop a framework of relativistic dissipative spin hydrodynamics such that the relaxation time can depend on the momenta and spin of…

高能物理 - 唯象学 · 物理学 2024-08-27 Samapan Bhadury

Several recent results are reported from work aiming to improve the quantitative precision of relativistic viscous fluid dynamics for relativistic heavy-ion collisions. The dense matter created in such collisions expands in a highly…

核理论 · 物理学 2017-03-16 U. Heinz , D. Bazow , G. S. Denicol , M. Martinez , M. Nopoush , J. Noronha , R. Ryblewski , M. Strickland

Magnetohydrodynamics is a theory of long-lived, gapless excitations in plasmas. It was argued from the point of view of fluid with higher-form symmetry that magnetohydrodynamics remains a consistent, non-dissipative theory even in the limit…

高能物理 - 理论 · 物理学 2019-11-14 Bartosz Benenowski , Napat Poovuttikul

We propose a stable first-order relativistic dissipative hydrodynamic equation in the particle frame (Eckart frame) for the first time. The equation to be proposed was in fact previously derived by the authors and a collaborator from the…

核理论 · 物理学 2008-11-26 Kyosuke Tsumura , Teiji Kunihiro

The Navier--Stokes transport coefficients of multicomponent granular suspensions at moderate densities are obtained in the context of the (inelastic) Enskog kinetic theory. The suspension is modeled as an ensemble of solid particles where…

统计力学 · 物理学 2020-01-20 Rubén Gómez González , Nagi Khalil , Vicente Garzó

Hydrodynamic equations for a binary mixture of inelastic hard spheres are derived from the Boltzmann kinetic theory. A normal solution is obtained via the Chapman-Enskog method for states near the local homogeneous cooling state. The mass,…

软凝聚态物质 · 物理学 2009-11-07 Vicente Garzó , J. W. Dufty

A kinetic theory for relativistic gases in the presence of gravitational fields is developed in the second post-Newtonian approximation. The corresponding Boltzmann equation is determined from the evolution of the one-particle distribution…

广义相对论与量子宇宙学 · 物理学 2021-02-04 Gilberto M. Kremer

The Navier-Stokes transport coefficients of a granular gas are obtained from the Chapman-Enskog solution to the Boltzmann equation. The granular gas is heated by the action of an external driving force (thermostat) which does work to…

统计力学 · 物理学 2009-11-07 V. Garzo , J. M. Montanero