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    Extended and localized states in the periodic Anderson model

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    Downloads: 293
    Date
    1986-12
    Author
    Lee, T. K.
    Zhang, F. C.
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    Abstract
    The renormalized quasiparticle states are derived for a periodic Anderson model with a general hybridization matrix element between conduction electrons with two degrees of freedom and f electrons with N degrees of freedom. Only two out of N local f states form the extended quasi-particle bands while N−2 localized states remain. As an illustration we show that the self-energy due to the Kondo effect produces quasiparticle bands and a gap as obtained in the Kondo-boson approach.
    URI
    http://hdl.handle.net/10919/47845
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    • Scholarly Works, Department of Physics [811]

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