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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2022, Volume 116, Issue 10, Pages 724–732
DOI: https://doi.org/10.31857/S1234567822220128 (Mi jetpl6808) 		 
This article is cited in 3 scientific papers (total in 3 papers)

CONDENSED MATTER

Sound-like oscillations in the polar phase of superfluid $^3$He in a nematic aerogel

E. V. Surovtsev

Kapitza Institute for Physical Problems, Russian Academy of Sciences, Moscow, 119334 Russia
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DOI: https://doi.org/10.31857/S1234567822220128
Abstract: The acoustic spectrum of the polar phase of superfluid $^3$He in nematic aerogel has been studied. An equation determining the dispersion of sound oscillations of the system has been derived. Solutions of the system have been obtained for low-frequency oscillations, whose propagation velocity is much lower than the speed of first sound in pure $^3$He, for directions along and across the anisotropy axis of the aerogel. In the same approximation, a solution for purely shear oscillations of the system has been found under special boundary conditions corresponding to an incompressible liquid surrounding the system. The temperature dependence of the found frequencies has been compared with the existing experimental data.
Funding agency Grant number
Russian Science Foundation 18-12-00384
This work was supported by the Russian Science Foundation (project no. 18-12-00384).
Received: 13.10.2022
Revised: 13.10.2022
Accepted: 14.10.2022
English version:
Journal of Experimental and Theoretical Physics Letters, 2022, Volume 116, Issue 10, Pages 745–753
DOI: https://doi.org/10.1134/S0021364022602305
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: E. V. Surovtsev, “Sound-like oscillations in the polar phase of superfluid $^3$He in a nematic aerogel”, Pis'ma v Zh. Èksper. Teoret. Fiz., 116:10 (2022), 724–732; JETP Letters, 116:10 (2022), 745–753
Citation in format AMSBIB
\Bibitem{Sur22}
\by E.~V.~Surovtsev
\paper Sound-like oscillations in the polar phase of superfluid $^3$He in a nematic aerogel
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2022
\vol 116
\issue 10
\pages 724--732
\mathnet{http://mi.mathnet.ru/jetpl6808}
\crossref{https://doi.org/10.31857/S1234567822220128}
\edn{https://elibrary.ru/lzkxvf}
\transl
\jour JETP Letters
\yr 2022
\vol 116
\issue 10
\pages 745--753
\crossref{https://doi.org/10.1134/S0021364022602305}
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    • This publication is cited in the following 3 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    		Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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    References:15
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