Methodological notes

Notes on phase transitions and the role of spin fluctuations

Institute for High Pressure Physics, Russian Academy of Sciences, Troitsk, Moscow, Russian Federation

The physical properties of two chiral systems with localized and delocalized magnetic moments, Cu2OSeO3 and MnSi, are reviewed. It is concluded that the longitudinal fluctuations of magnetic moments affect little the qualitative picture of phase transitions and the magnetic phase diagrams of chiral systems.

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Keywords: chiral magnetic systems, phase transitions, longitudinal fluctuations of the magnetic moment
PACS: 75.10.−b, 75.10.Lp, 75.30.Kz (all)
DOI: 10.3367/UFNe.2016.04.037781
Citation: Stishov S M "Notes on phase transitions and the role of spin fluctuations" Phys. Usp. 59 866–868 (2016)
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Received: 29th, December 2015, revised: 8th, March 2016, 12th, April 2016

Оригинал: Стишов С М «Заметки о фазовых переходах и роли спиновых флуктуаций» УФН 186 953–956 (2016); DOI: 10.3367/UFNr.2016.04.037781

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