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Uspekhi Fizicheskikh Nauk, 1983, Volume 140, Number 3, Pages 429–462
DOI: https://doi.org/10.3367/UFNr.0140.198307c.0429
(Mi ufn8671)
 

This article is cited in 126 scientific papers (total in 126 papers)

REVIEWS OF TOPICAL PROBLEMS

Broken symmetry and magnetoacoustic effects in ferroand antiferromagnetics

E. A. Turova, V. G. Shavrovb

a Institute of Metal Physics of the Ural Scientific Center of the Academy of Sciences SSSR, Sverdlovsk
b Institute of Radio Engineering and Electronics, Academy of Sciences of the USSR, Moscow
Abstract: This review of some aspects of the magnetoacoustics of ferro- and antiferromagnetic materials has been written in connection with the 25th anniversary of the rise of this field of physics of magnetic phenomena. Primary attention is paid to relatively new problems that have not been reflected in the existing monographs and reviews. The topic is a group of linear magnetoacoustic effects that manifest spontaneous symmetry breaking caused by magnetic ordering in a system of two coupled fields: the magnetization field $\mathbf{M}(\mathbf{r})$ and the deformation field $u_{ij}(\mathbf{r})$. To some extent these effects are analogous to the Higgs effect in the theory of elementary particles (the Higgs mechanism of the origin of the mass of a particle) or the Meissner effect in the theory of superconductivity. A direct analog of the stated effects is the so-called magnetoelastic gap in the magnon spectrum, while an analog of an accompanying effect is the softening of the quasiacoustic modes interacting with it (up to the vanishing of the corresponding dynamic elastic moduli). However, a characteristic feature of such effects in crystalline (anisotropic) magnetic materials is that they are manifested mainly near points of magnetic (spin-reorientation) phase transitions. This review treats the coupled magnetoelastic waves in ferro- and antiferromagnetic materials of different types that show phase transitions with respect to temperature, magnetic field, or pressure.
English version:
Physics–Uspekhi, 1983, Volume 26, Issue 7, Pages 593–611
DOI: https://doi.org/10.1070/PU1983v026n07ABEH004449
Document Type: Article
UDC: 534 + 538.114
PACS: 75.80.+q, 75.10.-b, 75.30.Kz
Language: Russian
Citation: E. A. Turov, V. G. Shavrov, “Broken symmetry and magnetoacoustic effects in ferroand antiferromagnetics”, UFN, 140:3 (1983), 429–462; Phys. Usp., 26:7 (1983), 593–611
Citation in format AMSBIB
\Bibitem{TurSha83}
\by E.~A.~Turov, V.~G.~Shavrov
\paper Broken symmetry and magnetoacoustic effects in ferroand antiferromagnetics
\jour UFN
\yr 1983
\vol 140
\issue 3
\pages 429--462
\mathnet{http://mi.mathnet.ru/ufn8671}
\crossref{https://doi.org/10.3367/UFNr.0140.198307c.0429}
\transl
\jour Phys. Usp.
\yr 1983
\vol 26
\issue 7
\pages 593--611
\crossref{https://doi.org/10.1070/PU1983v026n07ABEH004449}
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  • This publication is cited in the following 126 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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