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Theory of infrared absorption by two magnon excitations in two-dimensional antiferromagnets

✍ Scribed by Naoshi Suzuki; Hiroshi Kamimura


Publisher
Elsevier Science
Year
1970
Tongue
English
Weight
217 KB
Volume
8
Category
Article
ISSN
0038-1098

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Microscopic Theory of the Two-Dimensiona
✍ V.I. Belinicher; J. da ProvidΓͺncia πŸ“‚ Article πŸ“… 2002 πŸ› Elsevier Science 🌐 English βš– 196 KB

We have developed a consistent theory of the Heisenberg quantum antiferromagnet in the disordered phase with a short range antiferromagnetic order on the basis of the path integral for spin coherent states. In the framework of our approach we have obtained the response function for the spin fluctuat