EPJ Web Conf.
Volume 129, 2016QCD@Work 2016 - International Workshop on Quantum Chromodynamics - Theory and Experiment
|Number of page(s)||6|
|Published online||25 November 2016|
Equilibration of a strongly interacting plasma: holographic analysis of local and nonlocal probes
1 Dipartimento di Fisica, Università di Bari, via Orabona 4, 1-70126 Bari, Italy
2 INFN, Sezione di Bari, via Orabona 4, 1-70126 Bari, Italy
* e-mail: email@example.com
Published online: 25 November 2016
The relaxation of a strongly coupled plasma towards the hydrodynamic regime is studied by analyzing the evolution of local and nonlocal observables in the holographic approach. The system is driven in an initial anisotropic and far-from equilibrium state through an impulsive time-dependent deformation (quench) of the boundary spacetime geometry. Effective temperature and entropy density are related to the position and area of a black hole horizon, which has formed as a consequence of the distortion. The behavior of stress-energy tensor, equal-time correlation functions and Wilson loops of different shapes is examined, and a hierarchy among their thermalization times emerges: probes involving shorter length scales thermalize faster.
© The Authors, published by EDP Sciences, 2016
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