A functional renormalization group appro
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Th. Pruschke; A. Dirks; R. Gezzi
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Article
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2009
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Elsevier Science
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English
โ 362 KB
We present an extension of the concepts of the functional renormalization group approach to quantum many-body problems in non-equilibrium situations. The approach is completely general and allows calculations for both stationary and time-dependent situations. As a specific example we study the stati