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Viscous damping of Alfvén surface waves in the solar atmosphere

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Abstract

The dispersion relation for the propagation of viscous Alfvén surface waves along viscous plasmaplasma interface has been derived. Two modes of Alfvén surface waves are found to propagate with their characteristics depend on the interface parameters like magnetic field, density ratio, viscosity, etc. The viscous damping of Alfvén surface waves has been studied in the astrophysical point of view. The damping length of Alfvén surface waves due to viscosity in the solar atmosphere has been estimated.

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Authors and Affiliations

  1. Plasma Physics Group, Department of Physics, Gandhigram Rural University, Gandhigram, 624 302, Tamil Nadu, India

    G. D. Rathinavelu & M. Sivaraman

  2. Indian Institute of Astrophysics, Bangalore, 560 034, India

    A. S. Narayanan

Authors
  1. G. D. Rathinavelu
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  2. M. Sivaraman
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  3. A. S. Narayanan
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Additional information

Published in Russian in Fizika Plazmy, 2009, Vol. 35, No. 11, pp. 1055–1058.

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Rathinavelu, G.D., Sivaraman, M. & Narayanan, A.S. Viscous damping of Alfvén surface waves in the solar atmosphere. Plasma Phys. Rep. 35, 976–979 (2009). https://doi.org/10.1134/S1063780X09110075

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  • DOI: https://doi.org/10.1134/S1063780X09110075

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