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Theory Of Many-Fermion Systems

PHYSICAL REVIEW B, no. 11 (1997): 6513-6541

Cited: 70|Views23

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random phase approximationsaddle pointhartree fock approximationweak localizationfermi liquidMore(7+)

Abstract

A general field-theoretical description of many-fermion systems, both with and without quenched disorder, is developed. Starting from the basic Grassmannian action for interacting fermions, we first bosonize the theory by introducing composite matrix variables that correspond to two-fermion excitations and integrating out the fermion degr...More

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D. Belitz

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T. R. Kirkpatrick

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