PM-FM transition in a DE model

Details PM-FM transition in a DE model PM-FM transition in a DE model

2005-06-21

arxiv.org/abs/cond-mat/0506528v1

Physica B, Vol. 378-380, Part 1, 286 (2006)

Physics

Condensed Matter

Strongly Correlated Electrons

2 pages, latex, submitted for the SCES'05

Scientific paper

10.1016/j.physb.2006.01.009

We study paramagnetic - ferromagnetic transition due to exchange interaction between classical localized magnetic moments and conduction electrons. By solving the Dynamical Mean Field Approximation equations we find explicit formula for the transition temperature $T_c$ for arbitrary electron dispersion law, concentration and re lation between exchange coupling and the electron band width. We present the results of calculations of the $T_c$ for the semi-circular electron density of states.

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