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Asymptotic properties of disk dynamo

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Abstract

The asymptotic properties of a turbulent disk dynamo at large dimensionless numbersR α andR ω characterizing the helicity and the differential rotation are analysed. Three types of generations in the dependence of the relations betweenR α andR ω are found: α2-dynamo and two types of αω-dynamo. For each of these types the rates of growth are obtained and the forms of solution are pointed out. Boundaries of the disk dynamo approximation are given.

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Authors and Affiliations

  1. Moscow Engineering Construction Institute, Moscow, U.S.S.R.

    R. V. Isakov

  2. Keldysh Institute of Applied Mathematics, Academy of Science, Moscow, U.S.S.R.

    A. A. Ruzmaikin

  3. Moscow State University, Moscow, U.S.S.R.

    D. D. Sokoloff & M. V. Faminskaya

Authors
  1. R. V. Isakov
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  2. A. A. Ruzmaikin
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  3. D. D. Sokoloff
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  4. M. V. Faminskaya
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Isakov, R.V., Ruzmaikin, A.A., Sokoloff, D.D. et al. Asymptotic properties of disk dynamo. Astrophys Space Sci 80, 145–155 (1981). https://doi.org/10.1007/BF00649143

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  • DOI: https://doi.org/10.1007/BF00649143

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