Spin-charge and spin-orbital coupling effects on spin dynamics in ferromagnetic manganites

Details Spin-charge and spin-orbital coupling effects on spin dynamics in ferromagnetic manganites Spin-charge and spin-orbital coupling effects on spin dynamics in ferromagnetic manganites

2010-04-08

arxiv.org/abs/1004.1352v2

J. Phys.: Condens. Matter 22 (2010) 396001

Physics

Condensed Matter

Strongly Correlated Electrons

19 pages, 9 figures

Scientific paper

Correlation-induced spin-charge and spin-orbital coupling effects on spin dynamics in ferromagnetic manganites are calculated with realistic parameters in order to provide a quantitative comparison with experimental results for spin stiffness, magnon dispersion, magnon damping, anomalous zone-boundary magnon softening, and Curie temperature. The role of orbital degeneracy, orbital ordering, and orbital correlations on spin dynamics in different doping regimes is highlighted.

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