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Article: A revised diagrammatic technique for the degenerate Anderson model

TitleA revised diagrammatic technique for the degenerate Anderson model
Authors
Issue Date1984
PublisherAmerican Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jsp
Citation
Journal Of Applied Physics, 1984, v. 55 n. 6, p. 1936-1938 How to Cite?
AbstractThe Goldstone diagrammatic technique developed by Keiter and Kimball for single impurity Anderson model is reformulated. Instead of having the self-energy functions defined on the real axis as the Brillouin-Wigner theory, we have defined the functions on the complex plane. This avoids the complicated and cumbersome regularization procedure required in the Keiter and Kimball formulation. Most important of all it makes the numerical calculations possible. The exact partition function may be written down in terms of irreducible self-energy diagrams. The Green function and spectral function are derived.
Persistent Identifierhttp://hdl.handle.net/10722/174677
ISSN
2015 Impact Factor: 2.101
2015 SCImago Journal Rankings: 0.603

 

DC FieldValueLanguage
dc.contributor.authorLee, TKen_US
dc.contributor.authorZhang, FCen_US
dc.date.accessioned2012-11-26T08:46:50Z-
dc.date.available2012-11-26T08:46:50Z-
dc.date.issued1984en_US
dc.identifier.citationJournal Of Applied Physics, 1984, v. 55 n. 6, p. 1936-1938en_US
dc.identifier.issn0021-8979en_US
dc.identifier.urihttp://hdl.handle.net/10722/174677-
dc.description.abstractThe Goldstone diagrammatic technique developed by Keiter and Kimball for single impurity Anderson model is reformulated. Instead of having the self-energy functions defined on the real axis as the Brillouin-Wigner theory, we have defined the functions on the complex plane. This avoids the complicated and cumbersome regularization procedure required in the Keiter and Kimball formulation. Most important of all it makes the numerical calculations possible. The exact partition function may be written down in terms of irreducible self-energy diagrams. The Green function and spectral function are derived.en_US
dc.languageengen_US
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jspen_US
dc.relation.ispartofJournal of Applied Physicsen_US
dc.titleA revised diagrammatic technique for the degenerate Anderson modelen_US
dc.typeArticleen_US
dc.identifier.emailZhang, FC: fuchun@hkucc.hku.hken_US
dc.identifier.authorityZhang, FC=rp00840en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1063/1.333524en_US
dc.identifier.scopuseid_2-s2.0-0020722703en_US
dc.identifier.volume55en_US
dc.identifier.issue6en_US
dc.identifier.spage1936en_US
dc.identifier.epage1938en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridLee, TK=22975979400en_US
dc.identifier.scopusauthoridZhang, FC=14012468800en_US

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