Stochastic Quantization of Real-Time Thermal Field Theory

Details Stochastic Quantization of Real-Time Thermal Field Theory Stochastic Quantization of Real-Time Thermal Field Theory

2009-08-20

arxiv.org/abs/0908.3009v1

Physics

High Energy Physics

High Energy Physics - Theory

Scientific paper

We use the stochastic quantization method to obtain the free scalar propagator of a finite temperature field theory formulated in Minkowski spacetime. First we use the Markovian stochastic quantization approach to present the two-point function of the theory. Second, we assume a Langevin equation with a memory kernel and Einstein's relations with colored noise. The convergence of the stochastic processes in the asymptotic limit of the Markov parameter of these Markovian and non-Markovian Langevin equations for a free scalar theory is obtained. Our formalism can be the starting point to discuss systems at finite temperature out of equilibrium.

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