Magnetoresistance of the Double-Exchange Model in Infinite Dimension

Details Magnetoresistance of the Double-Exchange Model in Infinite Dimension Magnetoresistance of the Double-Exchange Model in Infinite Dimension

1995-05-09

arxiv.org/abs/cond-mat/9505034v1

J. Phys. Soc. Jpn. 64 (1995) 2734

Physics

Condensed Matter

8 pages, LaTeX

Scientific paper

10.1143/JPSJ.64.2734

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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