On the self-consistent spin-wave theory of frustrated Heisenberg antiferromagnets

V. Yu Irkhin, A. A. Katanin, M. I. Katsnelson

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

The phase diagrams of Heisenberg antiferromagnets with frustrated exchange interactions are obtained by using the self-consistent spin-wave approximation. The square, simple-cubic and quasi-1D antiferromagnets are considered with different values of spin S. An important role of spin-wave renormalizations of exchange parameters is demonstrated. The temperature dependences of the correlation length and spin-wave damping are calculated. It is shown that a wide temperature region above TN with a strong short-range order exists in frustrated 3D systems.

Original languageEnglish
Article number019
Pages (from-to)5227-5237
Number of pages11
JournalJournal of Physics Condensed Matter
Volume4
Issue number22
DOIs
Publication statusPublished - 1992
Externally publishedYes

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