One-dimensional Kondo lattice at partial band filling

Details One-dimensional Kondo lattice at partial band filling One-dimensional Kondo lattice at partial band filling

1997-02-07

arxiv.org/abs/cond-mat/9702065v1

Physics

Condensed Matter

Strongly Correlated Electrons

11 pages Revtex, 1 Postscript figure. To appear in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.78.2180

An effective Hamiltonian for the localized spins in the one-dimensional Kondo lattice model is derived via a unitary transformation involving a bosonization of delocalized conduction electrons. The effective Hamiltonian is shown to reproduce all the features of the model as identified in various numerical simulations, and provides much new information on the ferro- to paramagnetic phase transition and the paramagnetic phase.

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