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Exact solution of a Kondo lattice model | Yupeng Wang
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4 Nov 1999 | Subject: | Strongly Correlated Electrons | cond-mat.str-el | Abstract: | An integrable Kondo lattice model, which describes a strongly correlated electron host interacting with a spin-1/2 lattice, is proposed. It is found that with the variations of the Kondo coupling J, the hole concentration n_h and the magnetic field H, the system may fall into a variety of phases. The phase boundaries of the ground state are determined exactly. The marginal excitations and the quantum critical behavior at the phase boundaries are discussed. | Source: | arXiv, cond-mat/9911050 | Services: | Forum | Review | PDF | Favorites |
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