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1998

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September

  

Reviews of topical problems


Ultrasonic studies of the critical dynamics of magnetically ordered crystals

 a,  b
a Institute of Physics, Dagestan Scientific Centre, Russian Academy of Sciences, ul. M. Yaragskogo 94, Makhachkala, 367003, Russian Federation
b Dagestan 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.

Fulltext pdf (451 KB)
Fulltext is also available at DOI: 10.1070/PU1998v041n09ABEH000440
PACS: 43.35.Cg, 64.60.Ht, 75.50.y (all)
DOI: 10.1070/PU1998v041n09ABEH000440
URL: https://ufn.ru/en/articles/1998/9/d/
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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