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The non-equilibrium evolution of heavy-ion collisions is studied in the limit of weak coupling at very high energy employing lattice simulations of the classical Yang-Mills equations. Performing the largest classical-statistical simulations…

高能物理 - 唯象学 · 物理学 2014-04-23 J. Berges , K. Boguslavski , S. Schlichting , R. Venugopalan

We study the thermalization process in highly occupied non-Abelian plasmas at weak coupling. The non-equilibrium dynamics of such systems is classical in nature and can be simulated with real-time lattice gauge theory techniques. We provide…

高能物理 - 唯象学 · 物理学 2014-06-11 Juergen Berges , Kirill Boguslavski , Soeren Schlichting , Raju Venugopalan

We give an updated overview of both weak and strong coupling methods to describe the approach to a plasma described by viscous hydrodynamics, a process now called hydrodynamisation. At weak coupling the very first moments after a heavy ion…

核理论 · 物理学 2017-10-31 Wilke van der Schee

Hydrodynamical analysis of experimental data of ultrarelativistic heavy ion collisions seems to indicate that the hot QCD matter created in the collisions thermalizes very quickly. Theoretically, we have no idea why this should be true. In…

高能物理 - 唯象学 · 物理学 2013-03-20 Aleksi Kurkela

We follow the time evolution of nonabelian gauge bosons from far-from-equilibrium initial conditions to thermal equilibrium by numerically solving an effective kinetic equation that becomes accurate in the weak coupling limit. We consider…

高能物理 - 唯象学 · 物理学 2014-11-05 Aleksi Kurkela , Egang Lu

To achieve an understanding of the thermalization of a quark-gluon plasma, starting from QCD without using model assumptions, is a formidable task. We study the early stage dynamics of a relativistic heavy ion collision in the framework of…

高能物理 - 唯象学 · 物理学 2016-05-31 Maximilian Attems , Owe Philipsen , Christian Schäfer , Björn Wagenbach , Savvas Zafeiropoulos

We describe a hybrid molecular dynamics approach for the description of ultracold neutral plasmas, based on an adiabatic treatment of the electron gas and a full molecular dynamics simulation of the ions, which allows us to follow the…

等离子体物理 · 物理学 2009-11-11 T. Pohl , T. Pattard

Molecular dynamics simulations are used to model ion and neutral temperature evolution in partially-ionized atmospheric pressure plasma at different ionization fractions. Results show that ion-ion interactions are strongly coupled at…

等离子体物理 · 物理学 2023-01-04 M. D. Acciarri , C. Moore , S. D. Baalrud

At asymptotically high energies, thermalization in heavy ion collisions can be described via weak-coupling QCD. We present a complete treatment of how thermalization proceeds, at the parametric weak-coupling level. We show that plasma…

高能物理 - 唯象学 · 物理学 2011-12-15 Aleksi Kurkela , Guy D. Moore

We study the dynamics of weakly coupled non-abelian plasmas within the frameworks of classical-statistical lattice gauge-theory and kinetic theory. We focus on a class of systems which are highly occupied, isotropic at all times and…

高能物理 - 唯象学 · 物理学 2013-05-30 Soeren Schlichting

We present an introductory review of the early time dynamics of high-energy heavy-ion collisions and the kinetics of high temperature QCD. The equilibration mechanisms in the quark-gluon plasma uniquely reflect the non-abelian and…

核理论 · 物理学 2020-01-08 Soeren Schlichting , Derek Teaney

Heavy-ion colliders have revealed the process of "fast thermalization". This experimental breakthrough has led to new theoretical tools to study the thermalization process at both weak and strong coupling. We apply this to the reheating…

高能物理 - 理论 · 物理学 2020-09-18 Evan McDonough

The study of how fast thermalization in heavy ion collisions occurs has been one of the central topics in the heavy ion community. In the weak coupling picture this thermalization occurs from "the bottom up": high energy partons, formed…

高能物理 - 唯象学 · 物理学 2022-01-21 F. G. Ben , M. V. T. Machado

We describe the energy distribution of hard gluons travelling through a dense quark-gluon plasma whose temperature increases linearly with time, within a probabilistic perturbative approach. The results were applied to the thermalization…

高能物理 - 唯象学 · 物理学 2022-01-21 F. G. Ben , M. V. T. Machado

We show the evolution of a gluon plasma towards equilibrium starting at some early moment when the momentum distribution in the central region is momentaneously isotropic. Using HIJING results for Au+Au collision as initial input, we…

高能物理 - 唯象学 · 物理学 2009-10-28 S. M. H. Wong

Strongly correlated systems far from equilibrium can exhibit scaling solutions with a dynamically generated weak coupling. We show this by investigating isolated systems described by relativistic quantum field theories for initial…

高能物理 - 唯象学 · 物理学 2008-11-26 J. Berges , A. Rothkopf , J. Schmidt

We study, analytically and with lattice simulations, the decay of coherent field oscillations and the subsequent thermalization of the resulting stochastic classical wave-field. The problem of reheating of the Universe after inflation…

高能物理 - 唯象学 · 物理学 2009-11-10 Raphael Micha , Igor I. Tkachev

Heavy-ion collisions at BNL's Relativistic Heavy Ion Collider and CERN's Large Hadron Collider provide strong evidence for the formation of a quark-gluon plasma, with temperatures extracted from relativistic viscous hydrodynamic simulations…

高能物理 - 理论 · 物理学 2021-08-18 Jürgen Berges , Michal P. Heller , Aleksas Mazeliauskas , Raju Venugopalan

I discuss how local thermal equilibrium and hydrodynamical flow are reached in heavy-ion collisions in the weak coupling limit.

高能物理 - 唯象学 · 物理学 2016-11-23 Aleksi Kurkela

The recently proposed effective potential theory [Phys. Rev. Lett. 110, 235001 (2013)] is used to investigate the influence of coupling on inter-ion-species diffusion and momentum exchange in multi-component plasmas. Thermo-diffusion and…

等离子体物理 · 物理学 2017-07-10 Grigory Kagan , Scott D. Baalrud , Jerome Daligault
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