Gauge Covariant Formulation of the Wigner Representation through Deformation Quantization : Application to Keldysh Formalism with an Electromagnetic Field(Condensed Matter and Statistical Physics)
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概要
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We have developed a gauge-covariant formulation of the non-equilibrium Green function method for dynamical and/or non-uniform electromagnetic fields by means of the deformation quantization. This formulation- is realized by replacing the Moyal product in the so-called Wigner space by the star product, and it facilitates the order-by-order calculation of a gauge-invariant observable in terms of the electromagnetic field. An application of this formalism to linear response theory is discussed.
- 理論物理学刊行会の論文
- 2007-03-25
著者
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Nagaosa Naoto
Crest Department Of Applied Physics University Of Tokyo:correlated Electron Research Center National
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Nagaosa Naoto
Crest Department Of Applied Physics University Of Tokyo:correlated Electron Research Center (cerc) N
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SUGIMOTO Naoyuki
Department of Applied Physics, University of Tokyo
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ONODA Shigeki
CREST, Department of Applied Physics, University of Tokyo
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Nagaosa Naoto
Crest Japan Science And Technology Agency (jst) Aist:crest Department Of Applied Physics The Univers
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Onoda Shigeki
Crest Department Of Applied Physics University Of Tokyo
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Sugimoto Naoyuki
Department Of Applied Physics University Of Tokyo
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ONODA Shigeki
Spin Superstructure Project, ERATO, Japan Science and Technology Agency, c o Department of Applied Physics, University of Tokyo
関連論文
- Spin Currents in Semiconductors, Metals, and Insulators(Advances in Spintronics)
- Gauge Covariant Formulation of the Wigner Representation through Deformation Quantization : Application to Keldysh Formalism with an Electromagnetic Field(Condensed Matter and Statistical Physics)
- Theory of Non-Equilibirum States Driven by Constant Electromagnetic Fields : Non-Commutative Quantum Mechanics in the Keldysh Formalism(Condensed Matter and Statistical Physics)
- Theory of Excitation Spectra of Electron-Phonon Coupled Systems(Photo-Induced Phase Transitions and their Dynamics)
- Non-commutative quantum mechanics and deformation quantization in condensed-matter physics(Fundamental Problems and Applications of Quantum Field Theory-Topological Aspects of Quantum Field Theory-)