Kondo screening coexisting with ferromagnetic order as a possible ground state for Kondo lattice systems

Details Kondo screening coexisting with ferromagnetic order as a possible ground state for Kondo lattice systems Kondo screening coexisting with ferromagnetic order as a possible ground state for Kondo lattice systems

2009-10-10

arxiv.org/abs/0910.1902v2

Physical Review B 81, 094420 (2010).

Physics

Condensed Matter

Strongly Correlated Electrons

6 pages, 5 figures, Revtex

Scientific paper

10.1103/PhysRevB.81.094420

We consider the competition between the Kondo screening effect and ferromagnetic long-range order (FLRO) within a mean-field theory of the Kondo lattice model for low conduction electron densities $n_{c}$. Depending on the parameter values, several types of FLRO ground states are found. When $n_{c}<0.16$, a polarized FLRO phase is dominant. For $0.16

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