Finite Temperature QCD Interfaces Out of Equilibrium

Details Finite Temperature QCD Interfaces Out of Equilibrium Finite Temperature QCD Interfaces Out of Equilibrium

1994-12-12

arxiv.org/abs/hep-lat/9412061v2

Nucl.Phys.Proc.Suppl. 42 (1995) 541-543

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, contribution to Lattice '94 conference, self-extracting (revised only to include heplat number in line below)

Scientific paper

10.1016/0920-5632(95)00306-T

The properties of interfaces in non-equilibrium situations are studied by constructing a density matrix with a space-dependent temperature. The temperature gradient gives rise to new terms in the equation for the order parameter. Surface terms induced in effective actions by abrupt temperature changes provide a natural theoretical framework for understanding the occurence of both continuous and discontinuous behavior in the order parameter. Monte Carlo simulation of pure QCD shows both kinds of interfacial behavior. Perturbation theory predicts a universal profile in the high temperature phase, which can be tested by Monte Carlo simulation.

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