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Phase diagram of the anisotropic Kondo chain
E Novais1, E Miranda, A H Castro Neto
1Instituto de Física Gleb Wataghin, Unicamp, Caixa Postal 6165, 13083-970 Campinas, SP, Brazil.
Physical Review Letters
|June 13, 2002
Abstract:
We establish the phase diagram of the one-dimensional anisotropic Kondo lattice model at T = 0 using a generalized two-dimensional classical Coulomb gas description. We analyze the problem by means of a renormalization group treatment. We find that the phase diagram contains regions of paramagnetism, partial and full ferromagnetic order.