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相关论文: Shear Viscosity Coefficient from Microscopic Model…

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The shear viscosity of a gluon gas is calculated using the Green-Kubo relation. Time correlations of the energy-momentum tensor in thermal equilibrium are extracted from microscopic simulations using a parton cascade solving various…

高能物理 - 唯象学 · 物理学 2013-05-29 C. Wesp , A. El , F. Reining , Z. Xu , I. Bouras , C. Greiner

Shear viscosity of nuclear matter is extracted via the Green-Kubo formula and the Gaussian thermostated SLLOD algorithm (the shear rate method) in a periodic box by using an improved quantum molecular dynamic (ImQMD) model without mean…

核理论 · 物理学 2021-09-21 X. G. Deng , Y. G. Ma , Y. X. Zhang

Molecular dynamics (MD) simulations are used to calculate transport coefficients in a two-component plasma interacting through a repulsive Coulomb potential. The thermal conductivity, electrical conductivity, electrothermal coefficient,…

等离子体物理 · 物理学 2025-11-14 Briggs Damman , Jarett LeVan , Scott Baalrud

We calculate the transport coefficients like shear viscosity and electrical conductivity with respect to density of dense hadronic and quark matter. By considering the simple massless limit for the quark matter and two different effective…

核理论 · 物理学 2023-03-02 Debashree Sen , Naosad Alam , Sabyasachi Ghosh

The ratio of shear viscosity over entropy density in low energy heavy-ion collision has been calculated by using the Green-Kubo method in the framework of an extended quantum molecular dynamics model. After the system almost reaching a…

核理论 · 物理学 2017-06-06 C. Q. Guo , Y. G. Ma , W. B. He , X. G. Cao , D. Q. Fang , X. G. Deng , C. L. Zhou

The shear viscosity coefficient of the one-component plasma is calculated with unprecedented accuracy using equilibrium molecular dynamics simulations and the Green-Kubo relation. Numerical and statistical uncertainties and their mitigation…

等离子体物理 · 物理学 2014-10-13 Jerome Daligault , Kim O. Rasmussen , Scott D. Baalrud

We study the effect of magnetic field on the transport properties like shear and bulk viscosities of hot and dense hadronic matter within hadron resonance gas model. We estimate the bulk viscosity using low energy theorems for bilocal…

高能物理 - 唯象学 · 物理学 2015-03-09 Guru Kadam

We have studied the shear and bulk viscosities of asymmetric nuclear matter in the mechanical and chemical instability region based on IBUU transport simulations in a box system. The Green-Kubo method is used to calculate these viscosities…

核理论 · 物理学 2024-03-20 Lei-Ming Hua , Jun Xu

We derive an analytic expression for the shear viscosity of an ultra-relativistic gas in presence of both elastic $2\to 2$ and inelastic $2\leftrightarrow 3$ processes with isotropic differential cross sections. The derivation is based on…

高能物理 - 理论 · 物理学 2014-04-28 Andrej El , Francesco Lauciello , Christian Wesp , Ioannis Bouras , Zhe Xu , Carsten Greiner

Quark-Gluon plasmas produced in relativistic heavy-ion collisions quickly expand and cool, entering a phase consisting of multiple interacting hadronic resonances just below the QCD deconfinement temperature. The transport properties of…

核理论 · 物理学 2014-09-02 Paul Romatschke , Scott Pratt

We calculate two transport coefficients -- the shear viscosity over entropy ratio $\eta/s$ and the ratio of the electric conductivity to the temperature $\sigma_0/T$ -- of strongly interacting quark matter within the extended $N_f=3$…

核理论 · 物理学 2021-05-12 Olga Soloveva , David Fuseau , Jörg Aichelin , Elena Bratkovskaya

Finite size consideration of matter significantly affects transport coefficients like shear viscosity, bulk viscosity, electrical conductivity, which we have investigated here in the framework of the Polyakov-Nambu-Jona-Lasinio model. Owing…

核理论 · 物理学 2018-07-02 Kinkar Saha , Sabyasachi Ghosh , Sudipa Upadhaya , Soumitra Maity

Shear viscosity of the classical $\Phi^4$ theory is measured using classical microcanonical simulation. To calculate the Kubo formula, we measure the energy-momentum tensor correlation function, and apply the Green-Kubo relation. Being a…

高能物理 - 理论 · 物理学 2015-11-11 M. M. Homor , A. Jakovac

In Part I of this two-part series, the reverse perturbation method for shearing simple liquids [Phys. Rev. E 59, 4894 (1999)] was extended to systems of interacting particles with time-discrete stochastic dynamics. For verification, in this…

软凝聚态物质 · 物理学 2019-10-16 Arash Nikoubashman , Thomas Ihle

The transport property of cold and dense nucleon matter is important for nuclear physics but is relatively less studied than that at finite temperatures. In this paper, we present a primary study of bulk and shear viscosities in the limit…

核理论 · 物理学 2025-04-09 Jianing Li , Weiyao Ke

A theoretical framework for the calculation of shear and bulk viscosities of hadronic matter at finite temperature is presented. The framework is based on the quasi-particle picture. It allows for an arbitrary number of hadron species with…

核理论 · 物理学 2011-02-01 P. Chakraborty , J. I. Kapusta

Magnetohydrodynamics of strongly magnetized relativistic fluids is derived in the ideal and dissipative cases, taking into account the breaking of spatial symmetries by a quantizing magnetic field. A complete set of transport coefficients,…

高能天体物理现象 · 物理学 2015-05-30 Xu-Guang Huang , Armen Sedrakian , Dirk H. Rischke

Transport properties of liquid methanol and ethanol are predicted by molecular dynamics simulation. The molecular models for the alcohols are rigid, non-polarizable and of united-atom type. They were developed in preceding work using…

化学物理 · 物理学 2009-06-10 Gabriela Guevara-Carrion , Carlos Nieto-Draghi , Jadran Vrabec , Hans Hasse

In this work the shear viscosity $\eta$ and the diffusion coefficients of conserved charges $\kappa_{ij}$ with $i,j\in\{B,Q,S\}$ of hadronic matter are investigated within the hadronic transport approach SMASH. We systematically study the…

核理论 · 物理学 2023-07-31 Jan Hammelmann , Jan Staudenmaier , Hannah Elfner

The Green-Kubo-Nakano formula should be modified in relativistic hydrodynamics because of the problem of acausality and the breaking of sum rules. In this work, we propose a formula to calculate the transport coefficients of causal…

核理论 · 物理学 2008-11-26 T. Koide