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相关论文: Relativistic shock waves in viscous gluon matter

200 篇论文

We consider the Riemann problem of the dilute approximation equations with spatiotemporally dependent volume fractions from the full model of suspension, in which the particles settle to the solid substrate and the clear liquid film flows…

偏微分方程分析 · 数学 2017-09-05 Kaname Matsue , Kyoko Tomoeda

We find an analytical solution to relativistic viscous hydrodynamics for a 1+1 dimensional Landau flow profile. We consider relativistic Navier-Stokes form of the dissipative hydrodynamic equation, for a non-conformal system with a constant…

高能物理 - 唯象学 · 物理学 2020-07-30 Deeptak Biswas , Kishan Deka , Amaresh Jaiswal , Sutanu Roy

Fast thermalization and a strong buildup of elliptic flow of QCD matter as found at RHIC are understood as the consequence of perturbative QCD (pQCD) interactions within the 3+1 dimensional parton cascade BAMPS. The main contributions stem…

高能物理 - 唯象学 · 物理学 2009-06-16 I. Bouras , A. El , O. Fochler , J. Uphoff , Z. Xu , C. Greiner

Assuming that nuclear matter can be treated as a perfect fluid, we study the propagation of perturbations in the baryon density. The equation of state is derived from a relativistic mean field model, which is a variant of the non-linear…

核理论 · 物理学 2009-11-13 D. A. Fogaça , L. G. Ferreira Filho , F. S. Navarra

Solutions of shock waves in anisotropic relativistic hydrodynamics in the absence of refraction of the flow passing through the shock wave are considered. The existence of a critical value of the anisotropy parameter is shown. This value is…

核理论 · 物理学 2023-10-19 Aleksandr Kovalenko

We consider the discontinuities in a two-constituent relativistic superfluid. In the acoustic limit they degenerate into the first and second sound which are independent up to the second-order linear approximation. Inclusion of the…

高能物理 - 唯象学 · 物理学 2007-05-23 G. V. Vlasov

We show the vanishing viscosity limit to entropy shocks for the fractal Burgers equation in one space dimension. More precisely, we quantify the rate of convergence of the inviscid limit in $L^2$ for large initial perturbations around the…

偏微分方程分析 · 数学 2020-01-17 Sona Akopian , Moon-Jin Kang , Alexis Vasseur

Starting with a brief introduction into the basics of relativistic fluid dynamics, I discuss our current knowledge of a relativistic theory of fluid dynamics in the presence of (mostly shear) viscosity. Derivations based on the generalized…

高能物理 - 唯象学 · 物理学 2010-03-02 Paul Romatschke

This paper studies the expansion into vacuum of a wedge of gas at rest. This problem catches several important classes of wave interactions in the context of 2D Riemann problems. When the gas at rest is a nonideal gas, the gas away from the…

偏微分方程分析 · 数学 2025-05-15 Geng Lai

In recent years, there has been a significant effort to extract the temperature-dependent shear ($\eta/s$) and bulk ($\zeta/s$) viscosity over entropy ratios of the quark-gluon plasma from a global comparison of heavy-ion data with results…

核理论 · 物理学 2023-02-28 Fernando G. Gardim , Jean-Yves Ollitrault

We study the high Reynolds number limit of a viscous fluid in the presence of a rough boundary. We consider the two-dimensional incompressible Navier-Stokes equations with Navier slip boundary condition, in a domain whose boundaries exhibit…

偏微分方程分析 · 数学 2017-06-23 David Gérard-Varet , Christophe Lacave , Toan T. Nguyen , Frédéric Rousset

We present a new method for analyzing the global stability of the Sedov-von Neumann-Taylor self-similar solutions, describing the asymptotic behavior of spherical decelerating shock waves, expanding into ideal gas with density \propto…

天体物理学 · 物理学 2009-11-10 Doron Kushnir , Eli Waxman , Dov Shvarts

The shear ($\eta$) and bulk ($\zeta$) viscosities are calculated in a quasiparticle relaxation time approximation. The hadron phase is described within the relativistic mean field based model with scaled hadron masses and couplings. The…

核理论 · 物理学 2010-10-19 A. S. Khvorostukhin , V. D. Toneev , D. N. Voskresensky

The aim of this article is to study the limiting behavior of the solutions for the scaled generalized Euler equations of compressible fluid flow. When the initial data is of Riemann type, we showed the existence of solution which consists…

偏微分方程分析 · 数学 2019-07-17 Manas Ranjan Sahoo , Abhrojyoti Sen

We use the Chapman-Enskog method to investigate the shear viscosity of the quark-gluon plasma with a focus on its relation to parton cross sections. We use the recently obtained analytical expression for the shear viscosity $\eta$ of a…

核理论 · 物理学 2026-04-29 Okey Ohanaka , Zi-Wei Lin

Closed-form, normalizable solutions of Dirac's equation propagating within a semi-infinite cylindrical waveguide are obtained in terms of ordinary and modified Bessel functions. These relativistic wave packets induce quantum backflow on a…

量子物理 · 物理学 2021-12-28 Siddhant Das

The vanishing viscosity limit of the two-dimensional (2D) compressible isentropic Navier-Stokes equations is studied in the case that the corresponding 2D inviscid Euler equations admit a planar rarefaction wave solution. It is proved that…

偏微分方程分析 · 数学 2019-10-23 Lin-An Li , Dehua Wang , Yi Wang

In this paper, we study the asymptotic stability of rarefaction waves for the compressible isentropic Navier-Stokes equations with density-dependent viscosity. First, a weak solution around a rarefaction wave to the Cauchy problem is…

偏微分方程分析 · 数学 2010-04-02 Quansen Jiu , Yi Wang , Zhouping Xin

We establish the time-asymptotic stability of solutions to the one-dimensional compressible Navier-Stokes-Fourier equations, with initial data perturbed from Riemann data that forms a generic Riemann solution. The Riemann solution under…

偏微分方程分析 · 数学 2023-06-12 Moon-Jin Kang , Alexis Vasseur , Yi Wang

We develop the first causal and stable theory of a bulk-viscous relativistic pseudoplastic (or dilatant) fluid. This new formalism brings to light the rheological properties of several relativistic physical systems. Neutron star collisions…

广义相对论与量子宇宙学 · 物理学 2024-05-30 Lorenzo Gavassino , Jorge Noronha