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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2020, Volume 112, Issue 5, Pages 313–318
DOI: https://doi.org/10.31857/S1234567820170061 (Mi jetpl6249) 		 
This article is cited in 14 scientific papers (total in 15 papers)

CONDENSED MATTER

Bose–Einstein condensation and spin superfluidity of magnons in a perpendicularly magnetized yttrium iron garnet film

P. M. Vetoshkoab, G. A. Knyazeva, A. N. Kuzmicheva, A. A. Kholinb, V. I. Belotelovbca, Yu. M. Bunkovab

a Russian Quantum Center, Skolkovo, Moscow region, 143025 Russia
b Vernadsky Crimean Federal University, Simferopol, 295007 Russia
c Moscow State University, Moscow, 119992 Russia
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DOI: https://doi.org/10.31857/S1234567820170061
Abstract: The formation of a Bose–Einstein condensate of magnons in a perpendicularly magnetized iron yttrium garnet film under radio-frequency pumping in a stripline has been studied experimentally. The characteristics of the nonlinear magnetic resonance and spatial distribution of the Bose–Einstein condensate of magnons in the gradient of a magnetic field have been analyzed. In these experiments, the system of bosonic magnons behaves in much the same way as the Bose–Einstein condensate of magnons in antiferromagnetic superfluid $^3$He-B, which was previously studied in detail. The Bose–Einstein condensate of magnons forms a coherently precessing state having the properties of magnon superfluidity. Its stability is determined by the repulsion potential between excited magnons, which compensates the inhomogeneity of the magnetic field.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation 075-15-2019-1934
This work was supported by the Ministry of Science and Higher Education of the Russian Federation (Megaproject no. 075-15-2019-1934).
Received: 22.07.2020
Revised: 31.07.2020
Accepted: 01.08.2020
English version:
Journal of Experimental and Theoretical Physics Letters, 2020, Volume 112, Issue 5, Pages 299–304
DOI: https://doi.org/10.1134/S0021364020170105
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: P. M. Vetoshko, G. A. Knyazev, A. N. Kuzmichev, A. A. Kholin, V. I. Belotelov, Yu. M. Bunkov, “Bose–Einstein condensation and spin superfluidity of magnons in a perpendicularly magnetized yttrium iron garnet film”, Pis'ma v Zh. Èksper. Teoret. Fiz., 112:5 (2020), 313–318; JETP Letters, 112:5 (2020), 299–304
Citation in format AMSBIB
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\by P.~M.~Vetoshko, G.~A.~Knyazev, A.~N.~Kuzmichev, A.~A.~Kholin, V.~I.~Belotelov, Yu.~M.~Bunkov
\paper Bose--Einstein condensation and spin superfluidity of magnons in a perpendicularly magnetized yttrium iron garnet film
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2020
\vol 112
\issue 5
\pages 313--318
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    This publication is cited in the following 15 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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