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

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High Performance Computing in Science and Engineering ’02

Abstract

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.

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Weiße, A., Wellein, G., Fehske, H. (2003). Exact Diagonalization Study of Spin, Orbital, and Lattice Correlations in CMR Manganites. In: Krause, E., Jäger, W. (eds) High Performance Computing in Science and Engineering ’02. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-59354-3_13

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  • DOI: https://doi.org/10.1007/978-3-642-59354-3_13

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-63947-0

  • Online ISBN: 978-3-642-59354-3

  • eBook Packages: Springer Book Archive

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