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Title: New Exact Solution of the Relativistic Boltzmann Equation and its Hydrodynamic Limit

Journal Article · · Physical Review Letters
 [1]; ORCiD logo [2];  [2];  [3];  [4]
  1. McGill Univ., Montreal, QC (Canada)
  2. The Ohio State Univ., Columbus, OH (United States)
  3. Univ. de Sao Paulo (Brazil)
  4. Kent State Univ., Kent, OH (United States)

We present an exact solution of the relativistic Boltzmann equation for a system undergoing boostinvariant longitudinal and azimuthally symmetric transverse flow (“Gubser flow”). The resulting exact nonequilibrium dynamics is compared to first and second order relativistic hydrodynamic approximations for various shear viscosity to entropy density ratios. Finally, this novel solution can be used to test the validity and accuracy of different hydrodynamic approximations in conditions similar to those generated in relativistic heavy-ion collisions.

Research Organization:
The Ohio State Univ., Columbus, OH (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Natural Sciences and Engineering Research Council of Canada (NSERC)
Grant/Contract Number:
SC0004286; AC02-05CH11231; SC0004104; AC0205CH11231
OSTI ID:
1604538
Alternate ID(s):
OSTI ID: 1180030
Journal Information:
Physical Review Letters, Vol. 113, Issue 20; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 101 works
Citation information provided by
Web of Science

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Cited By (16)

Anderson–Witting Model of the Relativistic Boltzmann Equation Near Equilibrium journal June 2019
Thermal Dissipation in Two Dimensional Relativistic Fermi Gases with a Relaxation Time Model journal January 2020
Calculation of power spectrum of the little bangs journal July 2018
New theories of relativistic hydrodynamics in the LHC era journal February 2018
Early thermalization, hydrodynamics and energy loss in AdS/CFT journal October 2015
Studying the validity of relativistic hydrodynamics with a new exact solution of the Boltzmann equation text January 2014
The importance of the bulk viscosity of QCD in ultrarelativistic heavy-ion collisions text January 2015
Entropy Production, Hydrodynamics, and Resurgence in the Primordial Quark-Gluon Plasma from Holography text January 2016
Nonlinear dynamics from the relativistic Boltzmann equation in the Friedmann-Lemaître-Robertson-Walker spacetime text January 2016
Causality and existence of solutions of relativistic viscous fluid dynamics with gravity text January 2017
Analytical attractor and the divergence of the slow-roll expansion in relativistic hydrodynamics text January 2017
Far-from-equilibrium attractors and nonlinear dynamical systems approach to the Gubser flow text January 2017
Hydrodynamic attractor and the fate of perturbative expansions in Gubser flow text January 2018
The non-equilibrium attractor for kinetic theory in relaxation time approximation text January 2018
Including off-diagonal anisotropies in anisotropic hydrodynamics text January 2019
Thermal dissipation in two dimensional relativistic Fermi gases with a relaxation time model text January 2019

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