Anisotropy and temperature dependence of the optical conductivity in LaMnO_3

Details Anisotropy and temperature dependence of the optical conductivity in LaMnO_3 Anisotropy and temperature dependence of the optical conductivity in LaMnO_3

1999-01-14

arxiv.org/abs/cond-mat/9901127v2

Physics

Condensed Matter

Strongly Correlated Electrons

24 pages text(RevTex file) and 10 figures(ps file), submitted to Phys. Rev. B (1 new chapter, 4 new figures added with new cal

Scientific paper

A tight binding parameterization of the band structure, along with a mean field treatment of Hund, electron-electron, and electron-lattice couplings, is used to obtain the full optical conductivity tensor of LaMnO_3 as a function of temperature. We predict striking changes with temperature in the functional form and magnitude of the optical absorption. Comparison of our results to data will determine the Hund, electron-lattice, and electron-electron interactions.

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