Initial conditions for hydrodynamics from kinetic theory equilibration
Abstract
Here we use effective kinetic theory to study the pre-equilibrium dynamics in heavy-ion collisions. We describe the evolution of linearized energy perturbations on top of out-of-equilibrium background to the energy-momentum tensor at a time when hydrodynamics becomes applicable. We apply this description to IP-Glasma initial conditions and find an overall smooth transition to hydrodynamics. In a phenomenologically favorable range of η/s values, early time dynamics can be accurately described in terms of a few functions of a scaled time variable τT/(η/s). Our framework can be readily applied to other initial state models to provide the pre-equilibrium dynamics of the energy momentum tensor.
- Authors:
-
- European Organization for Nuclear Research (CERN), Geneva (Switzerland); Univ. of Stavanger, Stavanger (Norway)
- Stony Brook Univ., Stony Brook, NY (United States); Univ. Heidelberg, Heidelberg (Germany)
- Stony Brook Univ., Stony Brook, NY (United States)
- Univ. of Washington, Seattle, WA (United States)
- Publication Date:
- Research Org.:
- The State Univ. of New York, Stony Brook, NY (United States); Univ. of Washington, Seattle, WA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 1502376
- Grant/Contract Number:
- FG02-88ER40388; FG02-97ER41014
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nuclear Physics. A
- Additional Journal Information:
- Journal Volume: 967; Journal Issue: C; Journal ID: ISSN 0375-9474
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Quark Gluon Plasma; heavy ion collisions; bottom-up thermalization; effective kinetic theory
Citation Formats
Kurkela, Aleksi, Mazeliauskas, Aleksas, Paquet, Jean -François, Schlichting, Sören, and Teaney, Derek. Initial conditions for hydrodynamics from kinetic theory equilibration. United States: N. p., 2017.
Web. doi:10.1016/j.nuclphysa.2017.04.009.
Kurkela, Aleksi, Mazeliauskas, Aleksas, Paquet, Jean -François, Schlichting, Sören, & Teaney, Derek. Initial conditions for hydrodynamics from kinetic theory equilibration. United States. https://doi.org/10.1016/j.nuclphysa.2017.04.009
Kurkela, Aleksi, Mazeliauskas, Aleksas, Paquet, Jean -François, Schlichting, Sören, and Teaney, Derek. Mon .
"Initial conditions for hydrodynamics from kinetic theory equilibration". United States. https://doi.org/10.1016/j.nuclphysa.2017.04.009. https://www.osti.gov/servlets/purl/1502376.
@article{osti_1502376,
title = {Initial conditions for hydrodynamics from kinetic theory equilibration},
author = {Kurkela, Aleksi and Mazeliauskas, Aleksas and Paquet, Jean -François and Schlichting, Sören and Teaney, Derek},
abstractNote = {Here we use effective kinetic theory to study the pre-equilibrium dynamics in heavy-ion collisions. We describe the evolution of linearized energy perturbations on top of out-of-equilibrium background to the energy-momentum tensor at a time when hydrodynamics becomes applicable. We apply this description to IP-Glasma initial conditions and find an overall smooth transition to hydrodynamics. In a phenomenologically favorable range of η/s values, early time dynamics can be accurately described in terms of a few functions of a scaled time variable τT/(η/s). Our framework can be readily applied to other initial state models to provide the pre-equilibrium dynamics of the energy momentum tensor.},
doi = {10.1016/j.nuclphysa.2017.04.009},
journal = {Nuclear Physics. A},
number = C,
volume = 967,
place = {United States},
year = {2017},
month = {9}
}
Web of Science
Figures / Tables:

Works referencing / citing this record:
Effects of initial-state dynamics on collective flow within a coupled transport and viscous hydrodynamic approach
journal, March 2018
- Chattopadhyay, Chandrodoy; Bhalerao, Rajeev S.; Ollitrault, Jean-Yves
- Physical Review C, Vol. 97, Issue 3
Linearly polarized gluons and axial charge fluctuations in the glasma
journal, February 2018
- Lappi, Tuomas; Schlichting, Sören
- Physical Review D, Vol. 97, Issue 3
Figures / Tables found in this record: