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相关论文: Hard Rod Hydrodynamics and the Levy Chentsov Field

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In solving the problem of finding a temperature distribution which, at zero temperature, corresponds to superfluidity, i.e., to nonzero energy, the author tried to quantize free energy. This was done on the basis of supersecondary…

超导电性 · 物理学 2016-08-31 V. P. Maslov

We investigate whether hydrodynamic attractors are present in simulations of the quark-gluon plasma formed in heavy-ion collisions. We argue that Lagrangian schemes to solve the relativistic viscous fluid equations can be particularly…

核理论 · 物理学 2021-02-03 Gabriel S. Denicol , Jorge Noronha

A method is presented for constructing energy-conserving Galerkin approximations in the vertical coordinate of the full quasigeostrophic model with active surface buoyancy. The derivation generalizes the approach of Rocha \emph{et al.}…

大气与海洋物理 · 物理学 2019-05-01 Matthew Watwood , Ian Grooms , Keith Julien , K. Shafer Smith

The dynamics of strongly interacting many-body quantum systems are notoriously complex and difficult to simulate. A new theory, generalized hydrodynamics (GHD), promises to efficiently accomplish such simulations for nearly-integrable…

量子气体 · 物理学 2021-09-09 Neel Malvania , Yicheng Zhang , Yuan Le , Jerome Dubail , Marcos Rigol , David S. Weiss

One of the primary goals of nuclear physics is studying the phase diagram of Quantum Chromodynamics, where a hypothetical critical point serves as a landmark. A systematic model-data comparison of heavy-ion collisions at center-of-mass…

核理论 · 物理学 2021-07-20 Lipei Du

Relativistic magnetohydrodynamics (RMHD) provides an extremely useful description of the low-energy long-wavelength phenomena in a variety of physical systems from quark-gluon plasma in heavy-ion collisions to matters in supernovas, compact…

高能物理 - 理论 · 物理学 2022-09-20 Koichi Hattori , Masaru Hongo , Xu-Guang Huang

A full selfconsistent set of equations is deduced to describe the kinetics and dynamics of charged quasiparticles (electrons, holes etc.) with arbitrary dispersion law in crystalline solids subjected to time-varying deformations. The set…

凝聚态物理 · 物理学 2007-05-23 Dimitar I. Pushkarov

Starting with the relativistic Boltzmann equation where the collision term is generalized to include nonlocal effects via gradients of the phase-space distribution function, and using Grad's 14-moment approximation for the distribution…

核理论 · 物理学 2013-05-23 Amaresh Jaiswal , Rajeev S. Bhalerao , Subrata Pal

We present a new method for imposing a realistic equation of state in anisotropic hydrodynamics. The method relies on the introduction of a single finite-temperature quasiparticle mass which is fit to lattice data. By taking moments of the…

高能物理 - 唯象学 · 物理学 2015-11-30 Mubarak Alqahtani , Mohammad Nopoush , Michael Strickland

We describe recent development of quantum hydrodynamics for ultracold Bose particle studying and consider different kinds of interactions. The method of derivation of equations describing the evolution of the neutral Bose particle system at…

量子气体 · 物理学 2012-12-11 Pavel A. Andreev

The hydrodynamic equations for a model of a confined quasi-two-dimensional gas of smooth inelastic hard spheres are derived from the Boltzmann equation for the model, using a generalization of the Chapman-Enskog method. The heat and…

统计力学 · 物理学 2015-06-11 J. Javier Brey , V. Buzón , P. Maynar , M. I. García de Soria

This note considers how hydrodynamic interactions between a pair of rods slow the motion of each rod. Rods are approximated as being nearly straight lines of pointlike beads. Hydrodynamic interactions between the beads are treated with…

软凝聚态物质 · 物理学 2024-08-27 George D. J. Phillies

We consider the dispersion relation of the shear-diffusion mode in relativistic hydrodynamics, which we generate to high order as a series in spatial momentum q for a holographic model. We demonstrate that the hydrodynamic series can be…

高能物理 - 理论 · 物理学 2018-07-04 Benjamin Withers

Recently, a Lagrangian description of superfluids attracted some interest from the fluid/gravity-correspondence viewpoint. In this respect, the work of Dubovksy et al. has proposed a new field theoretical description of fluids, which has…

高能物理 - 理论 · 物理学 2015-06-15 L. Andrianopoli , R. D'Auria , P. A. Grassi , M. Trigiante

Based on the collision rules for hard needles we derive a hydrodynamic equation that determines the coupled translational and rotational dynamics of a tagged thin rod in an ensemble of identical rods. Specifically, based on a…

软凝聚态物质 · 物理学 2007-05-23 Matthias Otto , Timo Aspelmeier , Annette Zippelius

Derivations of relativistic second-order dissipative hydrodynamic equations have relied almost exclusively on the use of Grad's 14-moment approximation to write $f(x,p)$, the nonequilibrium distribution function in the phase space. Here we…

核理论 · 物理学 2014-06-16 Rajeev S. Bhalerao , Amaresh Jaiswal , Subrata Pal , V. Sreekanth

The main ideas, technical concepts and perspectives for a mode resolved description of the hydrodynamical regime of relativistic heavy ion collisions are discussed. A background-fluctuation splitting and a Bessel-Fourier expansion for the…

核理论 · 物理学 2014-08-28 Stefan Floerchinger

Recently I. Tokatly and O. Pankratov (''TP'', Phys. Rev. B 60, 15550 (1999)) used velocity moments of a semiclassical kinetic equation to derive a hydrodynamic description of electron motion in a degenerate electron gas. Independently, the…

凝聚态物理 · 物理学 2009-11-07 John F. Dobson , Hung M. Le

We develop the kinetic theory of Hamiltonian systems with weak long-range interactions. Starting from the Klimontovich equation and using a quasilinear theory, we obtain a general kinetic equation that can be applied to spatially…

统计力学 · 物理学 2009-11-13 Pierre-Henri Chavanis

Assuming that the well-confirmed non-classical rotational inertia (NCRI) effect in solid $^4$He, suggested by Leggett, indicates supersolid behavior, we make a number of remarks about both theory and experiment. (1) The long-wavelength,…

其他凝聚态物理 · 物理学 2009-06-08 W. M. Saslow