Derivation of Transport Equation Using the Time-Dependent Projection Operator Method
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- Koide Tomoi
- Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan
書誌事項
- タイトル別名
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- Derivation of Transport Equations Using the Time-Dependent Projection Operator Method.
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抄録
We develop a formalism to carry out coarse-grainings in quantum field theoretical systems by using a time-dependent projection operator in the Heisenberg picture. A systematic perturbative expansion with respect to the interaction part of the Hamiltonian is given, and a Langevin-type equation without a time-convolution integral term is obtained. This method is applied to a quantum field theoretical model, and coupled transport equations are derived.
収録刊行物
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- Progress of Theoretical Physics
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Progress of Theoretical Physics 107 (3), 525-541, 2002
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
- 1390001204160196992
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- NII論文ID
- 110001207574
- 210000110887
- 130004540159
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- NII書誌ID
- AA00791455
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- BIBCODE
- 2002PThPh.107..525K
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- ISSN
- 13474081
- 0033068X
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- MRID
- 1911530
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- NDL書誌ID
- 6125791
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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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- 抄録ライセンスフラグ
- 使用不可