Ultrasonic studies of the critical dynamics of magnetically ordered crystals

I.K. Kamilov^a, Kh.K. Aliev^b
^aInstitute of Physics, Dagestan Scientific Centre, Russian Academy of Sciences, ul. M. Yaragskogo 94, Makhachkala, 367003, Russian Federation
^bDagestan State University, M. Gadzhieva str. 43a, Makhachkala, 367025, Russian Federation

The current state of ultrasonic research of dynamic critical phenomena in magnetically ordered crystals is reviewed. Based on relevant theoretical concepts, the conclusion is drawn that the experimental data on ferro-, ferri-, and antiferromagnetic materials in both the hydrodynamic and critical regions can be described in terms of the dynamic scaling concept and the theory of interacting modes. The influence of a magnetic field on the dynamics of critical fluctuations of magnetization and spin-energy density is discussed.

PACS: 43.35.Cg, 64.60.Ht, 75.50.y (all)
DOI: 10.1070/PU1998v041n09ABEH000440
URL: https://ufn.ru/en/articles/1998/9/d/
Web of Science

000076559800002
Citation: Kamilov I K, Aliev Kh K "Ultrasonic studies of the critical dynamics of magnetically ordered crystals" Phys. Usp. 41 865–884 (1998)

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Оригинал: Камилов И К, Алиев Х К «Исследование критической динамики магнитоупорядоченных кристаллов ультразвуковыми методами» УФН 168 953–974 (1998); DOI: 10.3367/UFNr.0168.199809c.0953

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