The Correlated Kondo-lattice Model

Details The Correlated Kondo-lattice Model The Correlated Kondo-lattice Model

2003-06-10

arxiv.org/abs/cond-mat/0306242v1

phys. stat. sol. (b) 236, 515 (2003)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 4 figures

Scientific paper

We investigate the ferromagnetic Kondo-lattice model (FKLM) with a correlated conduction band. A moment conserving approach is proposed to determine the electronic self-energy. Mapping the interaction onto an effective Heisenberg model we calculate the ordering of the localized spin system self-consistently. Quasiparticle densities of states (QDOS) and the Curie temperature are calculated. The band interaction leads to an upper Hubbard peak and modifies the magnetic stability of the FKLM.

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