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Numerical methods and programming, 2019, Volume 20, Issue 2, Pages 88–96
DOI: https://doi.org/10.26089/NumMet.v20r209
(Mi vmp950)
 

This article is cited in 2 scientific papers (total in 2 papers)

Statistical moments and multipoint magnetic field correlators in a galactic dynamo model with random turbulent diffusion

D. A. Grachev, S. A. Elistratov, E. A. Mikhaylov

Faculty of Physics, Lomonosov Moscow State University
Full-text PDF (364 kB) Citations (2)
Abstract: In this paper we consider a stochastic model of the galactic dynamo in which the coefficient of turbulent diffusion is considered as a random process with renewal. The numerical simulation of statistical moments as well as two-point and three-point correlators of the magnetic field showing the relation between its values at various time instants is performed. The presence of intermittency expressed in the progressive growth of moments and correlators in the case of “quiet” regions of galaxies with a small fraction of the ionized hydrogen component is shown. The numerical results are compared with the results obtained analytically earlier.
Keywords: galactic dynamo, magnetic field, equations with random coefficients, intermittency, statistical moment.
Received: 15.02.2019
Bibliographic databases:
UDC: 519.246.8
Language: Russian
Citation: D. A. Grachev, S. A. Elistratov, E. A. Mikhaylov, “Statistical moments and multipoint magnetic field correlators in a galactic dynamo model with random turbulent diffusion”, Num. Meth. Prog., 20:2 (2019), 88–96
Citation in format AMSBIB
\Bibitem{GraEliMik19}
\by D.~A.~Grachev, S.~A.~Elistratov, E.~A.~Mikhaylov
\paper Statistical moments and multipoint magnetic field correlators in a galactic dynamo model with random turbulent diffusion
\jour Num. Meth. Prog.
\yr 2019
\vol 20
\issue 2
\pages 88--96
\mathnet{http://mi.mathnet.ru/vmp950}
\crossref{https://doi.org/10.26089/NumMet.v20r209}
\elib{https://elibrary.ru/item.asp?id=38239259}
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  • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Numerical methods and programming
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