Self-consistent spin-wave theories of quasi-two-dimensional Heisenberg antiferromagnets

V. Yu Irkhin, A. A. Katanin, M. I. Katsnel'son

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


The latest achievements in the theory of 2D Heisenberg antiferromagnets are discussed within the framework of self-consistent spin-wave theories. These approaches allow to describe a smooth transition of ordered phase at T=0 into the state of strong short-range order at finite temperatures. Problems arise when generalizing for 2D and weak anisotropy cases. A consideration is given to the variant of self-consistent spin-wave theory that is suitable to overcome the problem. Temperature dependences of magnetization and short-range order are calculated and compared to experimental ones for K2NiFe4 and K2MnFe4 crystals.

Original languageEnglish
Pages (from-to)65-79
Number of pages15
JournalFizika Metallov i Metallovedenie
Issue number1
Publication statusPublished - Jan 1995
Externally publishedYes


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