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Antiferromagnetism. Theory of Superexchange Interaction
Abstract
In this paper the general formalism of Kramers indicating the existence of superexchange interaction has been reduced, under simplifying assumptions, to the point where actual formulas for the interaction can be written down directly in terms of spin operators, with certain exchange and transition integrals as parameters. Two results of physical interest are the following: (a) superexchange must be expected to show the directional properties (as far as directional relations of interacting magnetic ions are concerned) of the orbitals in the outer shell of the non-magnetic connecting ions; and (b) the sign of the effective exchange integral depends upon the sign of the internal exchange coupling of an added electron on the magnetic ion.
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Citations
Cites
L'interaction Entre les Atomes Magnétogènes dans un Cristal Paramagnétique
Kramers, H. A. (1934) · Physica · doi:10.1016/s0031-8914(34)90023-9 · Cited by 638
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Metadata
- Authors
- Anderson, P. W.
- Venue
- Physical Review
- Publisher
- American Physical Society (APS)
- Published
- 1950-07-15
- Volume
- 79
- Issue
- 2
- Pages
- 350-356
- ISSN
- 0031-899X (ISSN-L)
- OpenAlex
- W2074842027
- Cited by
- 1,920
- References
- 1
- FWCI
- 7.24
- Type
- journal article
- Language
- en
- Open access
- closed
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- Anderson, P. W. (1950). Antiferromagnetism. Theory of Superexchange Interaction. Physical Review. https://doi.org/10.1103/physrev.79.350
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
