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

Eran Lebanon·Jerome Rech·P. Coleman·Olivier Parcollet
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Abstract

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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Eran Lebanon, Jerome Rech, P. Coleman, Olivier Parcollet. 2006-01-02. Conserving many body approach to the fully screened, infinite U Anderson model. https://doi.org/10.1103/physrevlett.97.106604

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