Magnetoresistance of the Double-Exchange Model in Infinite Dimension
- 15 August 1995
- journal article
- Published by Physical Society of Japan in Journal of the Physics Society Japan
- Vol. 64 (8) , 2734-2737
- https://doi.org/10.1143/jpsj.64.2734
Abstract
Double-exchange model in infinite dimension is studied as the strong Hund's coupling limit $J\to\infty$ of the Kondo lattice model. Several quantities such as Green's function and the d.c.\ conductivity are calculated in analytical forms. Magnetoresistance in lightly doped (La,Sr)MnO$_3$ is reproduced very well.
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