Many-body theory of degenerate systems: A simple example

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dc.creatorBrouder, Christian
dc.date2003-12-05
dc.date.accessioned2026-07-07T02:55:14Z
dc.date.available2026-07-07T02:55:14Z
dc.descriptionThe hierarchy of Green functions for (quasi)degenerate systems, presented in cond-mat/0308058, is calculated in detail for the case of a system with closed shells plus a single electron in a two-fold degenerate level. The complete hierarchy is derived explicitly, in terms of Green functions and of Feynman diagrams.
dc.description9 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/cond-mat/0312158
dc.identifierhttp://arxiv.org/abs/cond-mat/0312158
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/22863
dc.subjectStrongly Correlated Electrons
dc.titleMany-body theory of degenerate systems: A simple example
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