Variational ground states for the periodic Anderson model

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A trial state of the kind suggested by Brandow is used for the nondegenerate periodic Anderson model with arbitrary band filling. An approximate N-parameter minimisation is carried out analytically. A Gutzwiller-type approximation leads to predicting a magnetic instability even in the valence fluctuation regime.

Original languageEnglish
Pages (from-to)545-547
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Issue numberC
Publication statusPublished - Jan 1987


ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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