Exact Mapping of Periodic Anderson Model to Kondo Lattice Model
classification
❄️ cond-mat.str-el
keywords
modelkondolatticeandersonmappingperiodicallowsappropriate
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It is shown that the Kondo lattice model, for any finite coupling constant J, can be obtained exactly from the periodic Anderson model in an appropriate limit. The mapping allows a direct proof of the 'large' Fermi volume for a nonmagnetic Fermi-liquid state of the Kondo lattice model.
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