Electronic Structure And Dynamical Properties Of The Periodic Anderson Model
PHYSICAL REVIEW B(2001)
摘要
The density of states, dynamic magnetic susceptibility, and the dynamic electric conductivity of the periodic Anderson model have been investigated using the coherent potential approximation combining with the functional integral method. In the case of particle-hole symmetry, the density of states (DOS's) at about Fermi energy have strong temperature dependence, and there are gaps in the DOS's of the two kinds of electrons. Our theoretic results of the dynamic magnetic susceptibility and the dynamic electric conductivity are in accordance with some experiments on Kondo insulators.
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关键词
electric conductivity,density of state,heavy fermion,magnetic susceptibility,functional integration,electronic structure
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