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2003 | OriginalPaper | Buchkapitel

Exact Diagonalization Study of Spin, Orbital, and Lattice Correlations in CMR Manganites

verfasst von : Alexander Weiße, Gerhard Wellein, Holger Fehske

Erschienen in: High Performance Computing in Science and Engineering ’02

Verlag: Springer Berlin Heidelberg

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To understand the interplay of spin, orbital and lattice degrees of freedom in colossal magneto-resistance manganites we numerically diagonalize an SU(2) symmetric spin-orbital model coupled to dynamic Jahn-Teller and Holstein-type phonons. For a four site cluster we demonstrate how the coupling to the lattice changes the order of spins, orbitals and charges, and the correlations between them.

Metadaten
Titel
Exact Diagonalization Study of Spin, Orbital, and Lattice Correlations in CMR Manganites
verfasst von
Alexander Weiße
Gerhard Wellein
Holger Fehske
Copyright-Jahr
2003
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-642-59354-3_13