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Uspekhi Fizicheskikh Nauk, 2019, Volume 189, Number 1, Pages 85–94
DOI: https://doi.org/10.3367/UFNr.2018.07.038405 (Mi ufn6147) 		 
This article is cited in 2 scientific papers (total in 2 papers)

METHODOLOGICAL NOTES

Quantum fluctuations in magnetic nanostructures

Yu. N. Barabanenkova, S. A. Nikitova, M. Yu. Barabanenkovb

a Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Moscow
b Institute of Microelectronics Technology and High-Purity Materials, Russian Academy of Sciences, Moscow
Full-text PDF (706 kB) Citations (2)
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DOI: https://doi.org/10.3367/UFNr.2018.07.038405
URL: https://www.ufn.ru/ru/articles/2019/1/g
Abstract: The problem of quantum fluctuations in magnetic nanostructures is discussed by considering a linear chain of a finite number of atoms with the exchange interaction of the electron spins of neighboring atoms, as in Heisenberg's theory of ferromagnetism. Electromagnetic magnetic dipole radiation from a spin flip wave is calculated. It is shown that including quantum field fluctuations in the radiation energy flux calculations gives much larger values than in the case of the averaged electromagnetic field. Radiation decay due to spin interaction with the quantized electromagnetic field is estimated.
Keywords: magnetic nanostructure, electron spin, exchange interaction, spin wave, quantum fluctuations, electromagnetic field, Heitler approach.
Funding agency Grant number
Russian Science Foundation 4-19-00760
Russian Foundation for Basic Research 18-07-00509
Russian Academy of Sciences - Federal Agency for Scientific Organizations 007-00220-18-00
This study was supported by the Russian Science Foundation (grant 4-19-00760), Russian Foundation for Basic Research (grant 18-07-00509), and Government Assignment №. 007-00220-18-00.
Received: October 17, 2017
Revised: June 20, 2018
Accepted: July 17, 2018
English version:
Physics–Uspekhi, 2019, Volume 62, Issue 1, Pages 82–91
DOI: https://doi.org/10.3367/UFNe.2018.07.038405
Bibliographic databases:
Document Type: Article
PACS: 75.30.Ds, 75.76.+j, 75.78.-n
Language: Russian
Citation: Yu. N. Barabanenkov, S. A. Nikitov, M. Yu. Barabanenkov, “Quantum fluctuations in magnetic nanostructures”, UFN, 189:1 (2019), 85–94; Phys. Usp., 62:1 (2019), 82–91
Citation in format AMSBIB
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    • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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