Conserving many body approach to the fully screened, infinite U Anderson model

Eran Lebanon; Jerome Rech; Olivier Parcollet; P. Coleman

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Conserving many body approach to the fully screened, infinite U Anderson model

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arxiv cond-mat/0601015 v1 pith:X5P7KYCP submitted 2006-01-02 cond-mat.str-el cond-mat.mes-hall

Eran Lebanon , Jerome Rech , P. Coleman , Olivier Parcollet This is my paper · ORCID

classification cond-mat.str-elcond-mat.mes-hall

keywords andersonbodyconservingfullyinfinitemanyquantumscreened

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Using a Luttinger Ward scheme for interacting gauge particles, we present a conserving many body treatment of a family of fully screened infinite U Anderson models that has a smooth cross-over into the Fermi liquid state, with a finite scattering phase shift at zero temperature and a Wilson ratio greater than one. We illustrate our method, computing the temperature dependence of the thermodynamics, resistivity and electron dephasing rate and discuss its future application to non-equilibrium quantum dots and quantum critical mixed valent systems.

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