Implications of Fumi's theorem for auxiliary particle methods

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Abstract

Fumi's theorem in conjunction with some general theorems associated with auxiliary particle methods dictates the functional form of the on-shell auxiliary particle self-energy ∑ for a certain class of impurity scattering problems. An explicit calculation which confirms the result is described and the implications for various approaches to the Kondo effect discussed.

Original languageEnglish (US)
Pages (from-to)10213-10216
Number of pages4
JournalPhysical Review B
Volume51
Issue number15
DOIs
StatePublished - Jan 1 1995

ASJC Scopus subject areas

  • Condensed Matter Physics

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