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High Energy Physics - Phenomenology

arXiv:1503.01977 (hep-ph)
[Submitted on 6 Mar 2015 (v1), last revised 17 Jun 2015 (this version, v2)]

Title:On thermalization of a boost-invariant non Abelian plasma

Authors:L. Bellantuono, P. Colangelo, F. De Fazio, F. Giannuzzi
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Abstract:Using a holographic method, we further investigate the relaxation towards the hydrodynamic regime of a boost-invariant non-Abelian plasma taken out-of-equilibrium. In the dual description, the system is driven out-of-equilibrium by boundary sourcing, a deformation of the boundary metric, as proposed by Chesler and Yaffe. The effects of several deformation profiles on the bulk geometry are investigated by the analysis of the corresponding solutions of the Einstein equations. The time of restoration of the hydrodynamic regime is investigated: setting the effective temperature of the system at the end of the boundary quenching to $T_{eff}(\tau^*)=500$ MeV, the hydrodynamic regime is reached after a lapse of time of ${\cal O}$(1 fm/c).
Comments: 24 pages, 11 figures. Improved numerical analysis, one more appendix, two new figures. To appear in JHEP
Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th); Nuclear Theory (nucl-th)
Report number: BARI-TH/15-695
Cite as: arXiv:1503.01977 [hep-ph]
  (or arXiv:1503.01977v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1503.01977

Submission history

From: Pietro Colangelo [view email]
[v1] Fri, 6 Mar 2015 14:42:21 UTC (3,376 KB)
[v2] Wed, 17 Jun 2015 09:35:57 UTC (3,999 KB)
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