污点 发表于 2025-3-23 11:04:05
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Functional Methods functions. For a self-contained introduction to the FRG it is therefore necessary to properly define the various generating functionals and develop some intuition for the meaning of the associated correlation functions, which we shall do in this chapter. Moreover, we shall use the invariance properoverture 发表于 2025-3-23 21:57:53
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Superfluid Fermions: Partial Bosonization in the Particle–Particle Channelves only small momentum transfers, such a procedure is not appropriate for other types of interactions. For example, the superconducting instability of a normal metal is triggered by particle–particle scattering processes with vanishing total momentum, so that in this case a Hubbard–Stratonovich dec整理 发表于 2025-3-24 22:36:11
http://reply.papertrans.cn/48/4744/474358/474358_19.pngaerial 发表于 2025-3-25 01:26:26
Introduction to the Functional Renormalization Group