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High Energy Physics - Theory

arXiv:1805.11689 (hep-th)
[Submitted on 29 May 2018 (v1), last revised 27 Jul 2018 (this version, v2)]

Title:Universal behaviour, transients and attractors in supersymmetric Yang-Mills plasma

Authors:Michał Spaliński
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Abstract:Numerical simulations of expanding plasma based on the AdS/CFT correspondence as well as kinetic theory and hydrodynamic models strongly suggest that some observables exhibit universal behaviour even when the system is not close to local equilibrium. This leading behaviour is expected to be corrected by transient, exponentially decaying contributions which carry information about the initial state. Focusing on late times, when the system is already in the hydrodynamic regime, we analyse numerical solutions describing expanding plasma of strongly coupled N=4 supersymmetric Yang-Mills theory and identify these transient effects, matching them in a quantitative way to leading trans-series corrections corresponding to least-damped quasinormal modes of AdS black branes. In the process we offer additional evidence supporting the recent identification of the Borel sum of the hydrodynamic gradient expansion with the far-from-equilibrium attractor in this system.
Comments: Introduction improved, additional references
Subjects: High Energy Physics - Theory (hep-th); High Energy Physics - Phenomenology (hep-ph); Nuclear Theory (nucl-th)
Cite as: arXiv:1805.11689 [hep-th]
  (or arXiv:1805.11689v2 [hep-th] for this version)
  https://doi.org/10.48550/arXiv.1805.11689
Related DOI: https://doi.org/10.1016/j.physletb.2018.07.003

Submission history

From: Michał Spaliński [view email]
[v1] Tue, 29 May 2018 20:00:44 UTC (576 KB)
[v2] Fri, 27 Jul 2018 07:29:47 UTC (577 KB)
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