Fermionic Renormalization Group Flows. Technique and Theory.
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- Salmhofer Manfred
- Mathematik, ETH-Zentrum, 8092 Zürich, Switzerland
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- Honerkamp Carsten
- Theoretische Physik, ETH-Hönggerberg, 8093 Zürich, Switzerland
書誌事項
- タイトル別名
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- --- Technique and Theory ---
- 公開日
- 2001
- DOI
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- 10.1143/ptp.105.1
- 公開者
- 一般社団法人 日本物理学会
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説明
We give a self-contained derivation of the differential equations for Wilson's renormalization group for the one-particle irreducible Green functions in fermionic systems. The application of this equation to the (t,t')-Hubbard model appears in Ref. 9). Here we focus on theoretical aspects. After deriving the equations, we discuss the restrictions imposed by symmetries on the effective action. We discuss scaling properties due to the geometry of the Fermi surface and give precise criteria to determine when they justify the use of one-loop flows. We also discuss the relationship of this approach to other RG treatments, as well as aspects of the practical treatment of truncated equations, such as the projection to the Fermi surface and the calculation of susceptibilities.
収録刊行物
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- Ｐｒｏｇｒｅｓｓ ｏｆ Ｔｈｅｏｒｅｔｉｃａｌ Ｐｈｙｓｉｃｓ
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Ｐｒｏｇｒｅｓｓ ｏｆ Ｔｈｅｏｒｅｔｉｃａｌ Ｐｈｙｓｉｃｓ 105 (1), 1-35, 2001
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390001204158154752
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- NII論文ID
- 110001196943
- 210000110655
- 130004540046
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- NII書誌ID
- AA00791455
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- BIBCODE
- 2001PThPh.105....1S
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- ISSN
- 13474081
- 0033068X
- http://id.crossref.org/issn/0033068X
- https://id.crossref.org/issn/0033068X
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- MRID
- 1820268
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- NDL書誌ID
- 5654548
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDLサーチ
- Crossref
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- 使用不可