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We solve the two-channel Anderson impurity model using the Bethe-Ansatz. Wedetermine the ground state and derive the thermodynamics, obtaining theimpurity entropy and specific heat over the full range of temperature. We showthat the low temperature physics is given by a line of fixed points decribing atwo-channel non Fermi liquid behavior in the integral valence regime associatedwith moment formation as well as in the mixed valence regime where no momentforms. We discuss relevance for the theory of UBe$_{13}$.Comment: 4 pages, 2 figures, (to be published in PRL

physical review letters

Solution of the Two-Channel Anderson Impurity Model: Implications for the Heavy Fermion<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>UBe</mml:mi></mml:mrow><mml:mrow><mml:mn>13</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>

Solution of the Two-Channel Anderson Impurity Model: Implications for the Heavy FermionUBe13