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Orbital dependence of superexchange interaction in charge-ordered manganites

Published under licence by IOP Publishing Ltd
, , Citation L E Gonchar 2019 J. Phys.: Conf. Ser. 1389 012138 DOI 10.1088/1742-6596/1389/1/012138

1742-6596/1389/1/012138

Abstract

The current investigation is devoted to the theoretical study of orbital structure influence upon magnetic subsystem in half-doped charge-ordered manganites. The main interaction of magnetic subsystem is superexchange interaction. It forms spin-wave dispersion dependencies. Because of charge and orbital ordering, there are a lot of superexchange parameters in these compounds. That makes the dispersion rather complicated. This work clarifies some features of dispersion in terms of orbitally-dependent superexchange interactions.

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10.1088/1742-6596/1389/1/012138