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Cited by 344

The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.

Moriya’s anisotropic superexchange interaction, frustration, and Dzyaloshinsky’s weak ferromagnetism

Shekhtman, L., Entin-Wohlman, O., Aharony, Amnon·1992·Physical Review Letters

Abstract

Moriya's expression for the ringle-bond anisotropic superexchange interaction is shown to possess an overlooked hidden symmetry, isomorphic to the symmetry of the isotropic case. For the unfrustrated case, this symmetry results in a degeneracy of the macroscopic state, implying no unique value for the Dzyaloshinsky weak ferromagnetic moment. A unique value emerges from superexchange only when more than a single bond is considered and only as a result of frustration. This implies that the symmetric part of the superexchange anisotropy tensor must vary among the bonds. The results are particularly relevant for the spin anisotropies in ${\mathrm{La}}_{2}$${\mathrm{CuO}}_{4}$.

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Metadata

Authors
Shekhtman, L., Entin-Wohlman, O., & Aharony, A.
Venue
Physical Review Letters
Published
1992-08-03
Volume
69
Issue
5
Pages
836-839
ISSN
0031-9007 (ISSN-L)
OpenAlex
W2075720871
Cited by
344
References
8
FWCI
4.38
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Moriya’s anisotropic superexchange interaction, frustration, and Dzyaloshinsky’s weak ferromagnetism. https://app.cochat.ai/papers/10.1103/physrevlett.69.836
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Shekhtman, L., Entin-Wohlman, O., & Aharony, A. (1992). Moriya’s anisotropic superexchange interaction, frustration, and Dzyaloshinsky’s weak ferromagnetism. Physical Review Letters. https://doi.org/10.1103/physrevlett.69.836

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