Initial conditions for hydrodynamics from kinetic theory equilibration
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...
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| Main Authors: | , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
November 2017
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| In: |
Nuclear physics. A, Nuclear and hadronic physics
Year: 2017, Volume: 967, Pages: 289-292 |
| ISSN: | 1873-1554 |
| DOI: | 10.1016/j.nuclphysa.2017.04.009 |
| Online Access: | Verlag, Volltext: http://dx.doi.org/10.1016/j.nuclphysa.2017.04.009 Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S0375947417300726 
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| Author Notes: | Aleksi Kurkela, Aleksas Mazeliauskas, Jean-François Paquet, Sören Schlichting, Derek Teaney |
| Summary: | 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. |
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| Item Description: | Gesehen am 02.11.2018 |
| Physical Description: | Online Resource |
| ISSN: | 1873-1554 |
| DOI: | 10.1016/j.nuclphysa.2017.04.009 |