ON GREEN-FUNCTIONS AND THEIR APPLICATIONS

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作者
CEDERBAUM, LS
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O64 [物理化学(理论化学)、化学物理学];
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070304 ; 081704 ;
摘要
The theory of Green's functions is briefly reviewed. It is discussed which properties of a quantum system and which physical processes can be described by Green's functions. A general approximation scheme to evaluate Green's functions and propagators is presented. Particular attention is paid to the one-particle Green's function and to the particle-particle propagator which is a relevant component of the two-particle Green's function. Several illustrative applications are presented and related to experiment.
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页码:393 / 404
页数:12
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