Electronic structure and effective Hamiltonian in perovskite Mn oxides

S. Ishihara; J. Inoue; S. Maekawa

doi:10.1016/0921-4534(96)00085-8

Electronic structure and effective Hamiltonian in perovskite Mn oxides

S. Ishihara, J. Inoue, S. Maekawa

Research output: Contribution to journal › Article › peer-review

91 Citations (Scopus)

Abstract

In order to investigate electronic and magnetic structures in perovskite Mn oxides, we consider the effective Hamiltonian derived from the generalized ferromagnetic Kondo-Hubbard model. The mean-field approximation is adopted to analyze the ordered states of the spin and orbital degrees of freedom in the insulating state. As the excitations in the ordered states, we consider the spin and orbital waves and their dispersion relations are calculated.

Original language	English
Pages (from-to)	130-133
Number of pages	4
Journal	Physica C: Superconductivity and its applications
Volume	263
Issue number	1-4
DOIs	https://doi.org/10.1016/0921-4534(96)00085-8
Publication status	Published - 1996 May
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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abstract = "In order to investigate electronic and magnetic structures in perovskite Mn oxides, we consider the effective Hamiltonian derived from the generalized ferromagnetic Kondo-Hubbard model. The mean-field approximation is adopted to analyze the ordered states of the spin and orbital degrees of freedom in the insulating state. As the excitations in the ordered states, we consider the spin and orbital waves and their dispersion relations are calculated.",

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