Langevin dynamics of the pure SU(2) deconfining transition

Details Langevin dynamics of the pure SU(2) deconfining transition Langevin dynamics of the pure SU(2) deconfining transition

2007-05-02

arxiv.org/abs/0705.0226v2

Phys.Rev.D76:034501,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 2 figures; v2: minor changes, published version

Scientific paper

10.1103/PhysRevD.76.034501

We investigate the dissipative real-time evolution of the order parameter for the deconfining transition in the pure SU(2) gauge theory. The approach to equilibrium after a quench to temperatures well above the critical one is described by a Langevin equation. To fix completely the markovian Langevin dynamics we choose the dissipation coefficient, that is a function of the temperature, guided by preliminary Monte Carlo simulations for various temperatures. Assuming a relationship between Monte Carlo time and real time, we estimate the delay in thermalization brought about by dissipation and noise.

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