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The local potential approximation of the renormalization group and its applications

✍ Scribed by Gil Zumbach


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
442 KB
Volume
190
Category
Article
ISSN
0375-9601

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Functional renormalization group beyond
✍ Hirokazu Takashima; Ryotaro Arita; Kazuhiko Kuroki; Hideo Aoki πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 240 KB

While the functional renormalization group is a powerful theoretical method, the static approximation has been usually adopted in which the Matsubara frequency dependence of vertex functions is ignored. We propose a formalism beyond the static approximation with an efficient parameterization in the