热相对论量子场论中的Goldstone定理
A Goldstone Theorem in Thermal Relativistic Quantum Field Theory
摘要：
本文证明了热相对论量子场论中的一个Goldstone定理，该定理将两点函数的类空衰变率与自发对称性破缺联系起来。临界衰减率与无质量自由标量场理论一致。对有关结果和尚待解决的问题作了简要讨论。
英文摘要：
We prove a Goldstone Theorem in thermal relativistic quantum field theory, which relates spontaneous symmetry breaking to the rate of space-like decay of the two-point function. The critical rate of fall-off coincides with that of the massless free scalar field theory. Related results and open problems are briefly discussed.
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