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Event-by-event hydrodynamics is applied to Cu-Au collisions at 200GeV. Predictions for charged particle distributions in pseudorapidity, transverse momentum spectra, femtoscopy radii are given. The triangular and elliptic flow coefficients…

核理论 · 物理学 2012-10-09 Piotr Bozek

A full (3+1)-dimensional calculation using the Lagrangian hydrodynamics is proposed for relativistic nuclear collisions. The calculation enables us to evaluate anisotropic flow of hadronic matter which appears in non-central and/or…

高能物理 - 唯象学 · 物理学 2011-09-13 Chiho Nonaka , Eiji Honda , Shin Muroya

A recently developed framework of highly-anisotropic and strongly-dissipative hydrodynamics -- ADHYDRO -- has been introduced and used to analyze the space-time evolution of matter produced in ultra-relativistic heavy-ion collisions. The…

核理论 · 物理学 2012-07-04 Radoslaw Ryblewski

Collective anisotropic flow, where particles are correlated over the entire event, is a prominent phenomenon in relativistic heavy-ion collisions and is sensitive to the properties of the matter created in those collisions. It is often…

核实验 · 物理学 2024-12-19 Yicheng Feng , Fuqiang Wang

General features of the formalism describing hydrodynamic evolution of transversally thermalized matter possibly produced at the very early stages of ultra-relativistic heavy-ion collisions are presented. Thermodynamical consistency of the…

核理论 · 物理学 2009-10-02 Radoslaw Ryblewski

We simulate the space-time dynamics of high-energy collisions based on a microscopic kinetic description, in order to determine the range of applicability of an effective description in relativistic viscous hydrodynamics. We find that…

高能物理 - 唯象学 · 物理学 2024-02-12 Clemens Werthmann , Victor E. Ambruş , Sören Schlichting

In this paper we review recent progress in relativistic anisotropic hydrodynamics. We begin with a pedagogical introduction to the topic which takes into account the advances in our understanding of this topic since its inception. We…

核理论 · 物理学 2018-06-08 Mubarak Alqahtani , Mohammad Nopoush , Michael Strickland

The hydrodynamic model for the expansion of the fireball in relativistic heavy-ion collisions is presented. Calculations using relativistic hydrodynamics of a fluid with small viscosity yield a satisfactory description of the experimental…

核理论 · 物理学 2012-06-18 Piotr Bozek

Elliptic flow in ultrarelativistic heavy-ion collisions results from the hydrodynamic response to the spatial anisotropy of the initial density profile. A long-standing problem in the interpretation of flow data is that uncertainties in the…

核理论 · 物理学 2015-02-09 Li Yan , Jean-Yves Ollitrault , Arthur M. Poskanzer

We present VAH, a (3+1)-dimensional simulation that evolves the far-from-equilibrium quark-gluon plasma produced in ultrarelativistic heavy-ion collisions with anisotropic fluid dynamics. We solve the hydrodynamic equations on an Eulerian…

核理论 · 物理学 2021-07-28 M. McNelis , D. Bazow , U. Heinz

The effects of event-by-event fluctuations in the initial geometry of the colliding nuclei are important in the analysis of final flow observables in relativistic heavy-ion collisions. We use hydrodynamic simulations to study the amplitude…

核理论 · 物理学 2016-09-14 Jing Qian , Ulrich Heinz

In this proceedings contribution I review recent progress in our understanding of the bulk dynamics of relativistic systems that possess potentially large local rest frame momentum-space anisotropies. In order to deal with these…

核理论 · 物理学 2014-06-17 Michael Strickland

Simple, self-similar, analytic solutions of 1 + 1 dimensional relativistic hydrodynamics are presented, generalizing the Hwa - Bjorken boost-invariant solution to inhomogeneous rapidity distributions. These solutions are generalized also to…

核理论 · 物理学 2008-11-26 T. Csorgo , F. Grassi , Y. Hama , T. Kodama

We compute v4/(v2)^2 in ideal and viscous hydrodynamics. We investigate its sensitivity to details of the hydrodynamic model and compare the results to experimental data from RHIC. Whereas v2 has a significant sensitivity only to initial…

核理论 · 物理学 2010-06-01 Matthew Luzum , Clément Gombeaud , Jean-Yves Ollitrault

We present algorithms to solve relativistic hydrodynamics in 3+1--dimensional situations without apparent symmetry to simplify the solution. In simulations of heavy--ion collisions, these numerical schemes have to deal with the physical…

核理论 · 物理学 2009-10-28 Dirk H. Rischke , Stefan Bernard , Joachim A. Maruhn

We investigate the azimuthal anisotropy $v_2$ of particle production in nucleus-nucleus collisions in the maximum entropy approach. This necessitates two new phenomenological input parameters $\delta$ and $\lambda_2$ compared with…

核理论 · 物理学 2016-03-23 Hans J. Pirner , Klaus Reygers , Boris Z. Kopeliovich

We propose a novel deterministic particle method to numerically approximate the Landau equation for plasmas. Based on a new variational formulation in terms of gradient flows of the Landau equation, we regularize the collision operator to…

偏微分方程分析 · 数学 2020-05-26 Jose A. Carrillo , Jingwei Hu , Li Wang , Jeremy Wu

We introduce the equations of relativistic hydrodynamics that incorporate phase separation via spinodal decomposition. These equations consider surface effects between the two phases and are applicable for simulating intermediate-energy…

核理论 · 物理学 2025-10-02 Joseph Kapusta , Mayank Singh , Thomas Welle

Based on the (3+1)-dimensional hydrodynamic model, the space-time evolution of hot and dense nuclear matter produced in non-central relativistic heavy-ion collisions is discussed. The elliptic flow parameter v_2 is obtained by Fourier…

核理论 · 物理学 2007-05-23 Tetsufumi Hirano

Coupling hadronic kinetic theory models to fluid dynamics in phenomenological studies of heavy ion collisions requires a prescription for ``particlization''. Existing particlization models are based on implicit or explicit assumptions about…

高能物理 - 唯象学 · 物理学 2021-06-16 Derek Everett , Chandrodoy Chattopadhyay , Ulrich Heinz