Exact BRS Symmetry Realized along the Renormalization Group Flow.
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- Igarashi Yuji
- Faculty of Education, Niigata University, Niigata 950-2181, Japan
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- Itoh Katsumi
- Faculty of Education, Niigata University, Niigata 950-2181, Japan
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- So Hiroto
- Department of Physics, Niigata University, Niigata 950-2181, Japan
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抄録
Using the average action, defined with a continuum analog of the block spin transformation, we demonstrate the presence of a gauge symmetry along the Wilsonian renormalization group flow. As a reflection of this gauge symmetry, the average action satisfies the quantum master equation (QME). We show that the quantum part of the master equation can be naturally understood, once the measure contribution under the BRS transformation is taken into account. Furthermore, an effective BRS transformation acting on macroscopic fields may be defined from the QME. The average action is explicitly evaluated in terms of the saddle point approximation up to one-loop order. It is confirmed that the action satisfies the QME and the flow equation.
収録刊行物
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- Progress of Theoretical Physics
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Progress of Theoretical Physics 104 (5), 1053-1066, 2000
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
- 1390001204160509824
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- NII論文ID
- 110001196735
- 130004540022
- 210000110576
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- NII書誌ID
- AA00791455
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- BIBCODE
- 2000PThPh.104.1053I
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- ISSN
- 13474081
- 0033068X
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- MRID
- 1810803
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- NDL書誌ID
- 5584954
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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
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- 使用不可