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相关论文: Hydrodynamics of anisotropic quark and gluon fluid…

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We present the first comparisons of experimental data with phenomenological results from 3+1d quasiparticle anisotropic hydrodynamics (aHydroQP). We compare charged-hadron multiplicity, identified-particle spectra, identified-particle…

To study the microscopic structure of quark-gluon plasma, data from hadronic collisions must be confronted with models that go beyond fluid dynamics. Here, we study a simple kinetic theory model that encompasses fluid dynamics but contains…

高能物理 - 唯象学 · 物理学 2020-01-08 Aleksi Kurkela , Urs Achim Wiedemann , Bin Wu

By solving a simple kinetic equation, in the relaxation time approximation, and for a particular set of moments of the distribution function, we establish a set of equations which, on the one hand, capture exactly the dynamics of the…

核理论 · 物理学 2018-03-07 Jean-Paul Blaizot , Li Yan

A hydrodynamic theory is formulated for buoyancy-driven ("thermal") granular convection, recently predicted in molecular dynamic simulations and observed in experiment. The limit of a dilute flow is considered. The problem is fully…

斑图形成与孤子 · 物理学 2009-11-07 Xiaoyi He , Baruch Meerson , Gary Doolen

Classical hydrodynamics is a remarkably versatile description of the coarse-grained behavior of many-particle systems once local equilibrium has been established. The form of the hydrodynamical equations is determined primarily by the…

强关联电子 · 物理学 2021-03-19 A. Scheie , N. E. Sherman , M. Dupont , S. E. Nagler , M. B. Stone , G. E. Granroth , J. E. Moore , D. A. Tennant

Relativistic heavy ion collisions have reached energies that enable the creation of a novel state of matter termed the quark-gluon plasma. Many observables point to a picture of the medium as rapidly equilibrating and expanding as a nearly…

核理论 · 物理学 2011-07-19 James L. Nagle , Ian G. Bearden , William A. Zajc

We develop a set of kinetic equations for hydrodynamic fluctuations which are equivalent to nonlinear hydrodynamics with noise. The hydro-kinetic equations can be coupled to existing second order hydrodynamic codes to incorporate the…

核理论 · 物理学 2017-02-01 Yukinao Akamatsu , Aleksas Mazeliauskas , Derek Teaney

It is argued that the short time scale phenomena can be studied within the framework of hydrodynamics in the quark-gluon plasma. There are two different versions of the hydrodynamic-like equations in the literature. In this work we discuss…

高能物理 - 唯象学 · 物理学 2011-05-12 Abhishek Basak , Jitesh R. Bhatt , Predhiman K. Kaw

We investigate the impact of the matter and glue dynamics on baryon number fluctuations and the kurtosis of baryon number distribution. This is done within the framework of QCD-improved low energy effective models. In particular we include…

高能物理 - 唯象学 · 物理学 2015-12-23 Wei-jie Fu , Jan M. Pawlowski

We outline the content and theoretical support for the proposal of "hydrodynamics on (mini)superspace" (or a non-linear extension of quantum cosmology) as an effective framework for quantum gravity in a cosmological context. The basis for…

广义相对论与量子宇宙学 · 物理学 2024-03-19 Daniele Oriti

A novel formulation of second-order relativistic viscous fluid dynamics based on the effective Boltzmann equation for quasi-particles with medium-dependent masses is briefly reviewed.~The evolution equations for the shear and bulk…

核理论 · 物理学 2017-08-07 Radoslaw Ryblewski

Quantum fluid (or hydrodynamic) models provide an attractive alternative for the modeling and simulation of the electron dynamics in nano-scale objects. Compared to more standard approaches, such as density functional theory or phase-space…

量子物理 · 物理学 2021-10-12 Giovanni Manfredi , Paul-Antoine Hervieux , Jérôme Hurst

Hydrodynamics and quantum mechanics have many elements in common, as the density field and velocity fields are common variables that can be constructed in both descriptions. Starting with the Schroedinger equation and the Klein-Gordon for a…

核理论 · 物理学 2014-06-18 Cheuk-Yin Wong

The quark-gluon plasma behaves as a relativistic viscous fluid in high-energy heavy ion collisions. I develop a causal dissipative hydrodynamic model at finite baryon density for RHIC and LHC to estimate the net baryon rapidity…

核理论 · 物理学 2015-06-12 Akihiko Monnai

Sufficiently energetic collisions of heavy ions result in the formation of a droplet of a strongly coupled liquid state of QCD matter known as quark-gluon plasma. By using gauge-gravity duality (holography), a model of a rapidly…

高能物理 - 理论 · 物理学 2019-12-25 Åsmund Folkestad , Sašo Grozdanov , Krishna Rajagopal , Wilke van der Schee

In this talk we will discuss the recent advances in describing heavy-quark dynamics in the quark-gluon plasma (QGP), which evolves hydrodynamically. Special emphasis is put on the collective flow of the heavy-quarks with the medium…

核理论 · 物理学 2018-04-11 Marlene Nahrgang , Joerg Aichelin , Pol Bernard Gossiaux , Klaus Werner

The special relativistic hydrodynamics with weak gravity is hitherto unknown in the literature. Whether such an asymmetric combination is possible was unclear. Here, the hydrodynamic equations with Poisson-type gravity considering fully…

广义相对论与量子宇宙学 · 物理学 2016-12-21 Jai-chan Hwang , Hyerim Noh

We compute the temporal evolution of the pressure anisotropy and bulk pressure of a massive gas using second-order viscous hydrodynamics and anisotropic hydrodynamics. We then compare our results with an exact solution of the Boltzmann…

高能物理 - 唯象学 · 物理学 2014-10-16 Gabriel S. Denicol , Wojciech Florkowski , Radoslaw Ryblewski , Michael Strickland

We propose a new scenario characterizing the transition of the quark-gluon plasma (QGP) produced in heavy-ion collisions from a highly non-equilibrium state at early times toward a fluid described by hydrodynamics at late times. We develop…

核理论 · 物理学 2021-03-11 Jasmine Brewer , Li Yan , Yi Yin

Relativistic hydrodynamics for ideal and viscous fluids is discussed as a tool to describe relativistic heavy-ion collisions and to extract transport properties of the quark-gluon plasma from experimentally measured hadron momentum spectra.

核理论 · 物理学 2015-05-13 Ulrich W. Heinz