Mean field solution to the intermediate valence problem |
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| Authors: | N Read DM Newns |
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| Institution: | 1. Institut Laue Langevin, 156X-38042 Grenoble Cedex, France;2. Department of Mathematics, Imperial College, London SW7 2BZ, UK |
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| Abstract: | We introduce a mean field theory of IV systems, corresponding to the limit of infinite degeneracy N = 2j + 1. For a single RE impurity we correct it to next order in 1/N. For the lattice the mean field theory for the first time leads to an ab initio derivation of a renormalized band structure. |
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