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Viscoelastic description of the electron subsystem of a semi-bounded metal on the basis of the generalized "jellium" model using the method of nonequilibrium statistical Zubarev operator is proposed. The nonequilibrium statistical operator…

统计力学 · 物理学 2012-02-22 P. P. Kostrobij , B. M. Markovych , A. I. Vasylenko , M. V. Tokarchuk

The computational and theoretical analysis carried out in this article demonstrates the existence of a nontrivial mechanism for the compression of a submicron-sized gas bubble formed by a gas of classical ions and a gas of degenerate…

Fluid dynamic approach is a workhorse for modelling collective dynamics in relativistic heavy-ion collisions. The approach has been successful in describing various features of the momentum distributions of hadrons produced in the heavy-ion…

核理论 · 物理学 2021-08-04 Iurii Karpenko

Multi-particle collision dynamics is an appealing numerical technique aiming at simulating fluids at the mesoscopic scale. It considers molecular details in a coarse-grained fashion and reproduces hydrodynamic phenomena. Here, the…

软凝聚态物质 · 物理学 2019-03-28 H. Híjar

A kinetic approach for the evolution of ultracold neutral plasmas including interionic correlations and the treatment of ionization/excitation and recombination/deexcitation by rate equations is described in detail. To assess the…

原子物理 · 物理学 2009-11-10 T. Pohl , T. Pattard , J. M. Rost

We present a mathematical model describing the evolution of sea ice and meltwater during summer. The system is described by two coupled partial differential equations for the ice thickness $h$ and pond depth $w$ fields. We test the…

大气与海洋物理 · 物理学 2020-03-19 Andrea Scagliarini , Enrico Calzavarini , Daniela Mansutti , Federico Toschi

Ionic liquid ion sources are a promising technology that can be used for many applications from space propulsion to focused ion beam microetching. Ionic liquid ion sources produce ion beams by extracting single ions and metastable solvated…

化学物理 · 物理学 2021-11-17 Madeleine Schroeder

In the proceedings of this, and of several recent close binary conferences, there have been several contributions describing smoothed particle hydrodynamics simulations of accretion disks. It is apposite therefore to review the numerical…

天体物理学 · 物理学 2007-05-23 J. R. Murray , M. R. Truss , S. B. Foulkes , C. A. Haswell , K. Manson

The hydrodynamic description of transversally thermalized matter, possibly formed at the early stages of ultra-relativistic heavy-ion collisions, is developed. The formalism is based on the thermodynamically consistent approach with all…

核理论 · 物理学 2009-04-17 Mikolaj Chojnacki , Wojciech Florkowski

Solvation, the result of the complicated interplay between solvent-solute and solvent-internal interactions, is one of the most important chemical processes. Consequently, a complete theoretical understanding of solvation seems a heroic…

量子气体 · 物理学 2024-06-06 Saajid Chowdhury , Jesús Pérez-Ríos

We study in detail the hydrodynamic theories describing the transition to collective motion in polar active matter, exemplified by the Vicsek and active Ising models. Using a simple phenomenological theory, we show the existence of an…

Basic equations of nonequilibrium thermo field dynamics of dense quantum systems are presented. A formulation of nonequilibrium thermo field dynamics has been performed using the nonequilibrium statistical operator method by D.N.Zubarev.…

核理论 · 物理学 2007-05-23 M. V. Tokarchuk , T. Arimitsu , A. E. Kobryn

We review several facets of the hydrodynamic description of the relativistic heavy ion collisions, starting from the historical motivation to the present understandings of the observed collective aspects of experimental data, especially…

核理论 · 物理学 2015-12-04 Rafael Derradi de Souza , Tomoi Koide , Takeshi Kodama

We study causal viscous hydrodynamics in the context of central relativistic heavy-ion collisions and provide details of a straightforward numerical algorithm to solve the hydrodynamic equations. It is shown that correlation functions of…

核理论 · 物理学 2008-11-26 Rudolf Baier , Paul Romatschke

The presence of salt in ocean water strongly affects the melt rate and the shape evolution of ice, both of utmost relevance in geophysical and ocean flow and thus for the climate. To get a better quantitative understanding of the physical…

流体动力学 · 物理学 2023-02-07 Rui Yang , Christopher J. Howland , Hao-Ran Liu , Roberto Verzicco , Detlef Lohse

Ion exchange processes between an ion reservoir and a solid matrix are modeled under the assumption that near interface volumes reach equilibrium in a much faster time than the overall ion exchange process time while, in the bulk of the…

材料科学 · 物理学 2024-05-09 Guglielmo Macrelli

We discuss the information that can be deduced from a measurement of particle (hyperon or vector meson) polarization in ultrarelativistic nuclear collisions. We describe the sensitivity of polarization to initial conditions, hydrodynamic…

核理论 · 物理学 2008-11-26 Barbara Betz , Miklos Gyulassy , Giorgio Torrieri

We study a partially ionized hydrogen plasma by means of quantum molecular dynamics, which is based on wave packets. We introduce a new model which distinguishes between free and bound electrons. The free electrons are modelled as Gaussian…

等离子体物理 · 物理学 2009-10-30 W. Ebeling , B. Militzer

We are interested in the computational study of shock hydrodynamics, i.e. problems involving compressible solids, liquids, and gases that undergo large deformation. These problems are dynamic and nonlinear and can exhibit complex…

计算物理 · 物理学 2024-06-25 C. F. Jekel , D. M. Sterbentz , T. M. Stitt , P. Mocz , R. N. Rieben , D. A. White , J. L. Belof

We study the thermodynamic properties of a partially ionized hydrogen plasma in strong magnetic fields, B ~ 10^{12}-10^{13} G, typical of neutron stars. The properties of the plasma depend significantly on the quantum-mechanical sizes and…

天体物理学 · 物理学 2007-05-23 A. Y. Potekhin , G. Chabrier , Yu. A. Shibanov