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arXiv 0908.3009hep-th
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实时热场论的随机量子化

Stochastic Quantization of Real-Time Thermal Field Theory

T. C. de Aguiar, N. F. Svaiter, G. Menezes

摘要:

利用随机量子化方法得到了Minkowski时空中有限温度场论的自由标量传播子。首先,我们使用马尔可夫随机量子化方法,提出了两点函数的理论。其次,我们假设一个朗之万方程的记忆核和爱因斯坦的关系与色噪声。在一个自由标量理论下,得到了这些马氏和非马氏Langevin方程的随机过程在马氏参数的渐近极限下的收敛性。我们的形式主义可以作为讨论有限温度下系统的出发点。

英文摘要:

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.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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