Open AccessOrbital dependence of superexchange interaction in charge-ordered manganites
Author(s) -
L. É. Gonchar
Publication year - 2019
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1389/1/012138
Subject(s) - superexchange , condensed matter physics , charge (physics) , dispersion (optics) , physics , spin (aerodynamics) , antiferromagnetism , quantum mechanics , thermodynamics
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.