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On Alfvén's critical velocity for the interaction of a neutral gas with a moving magnetized plasma

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Abstract

A theory for the interaction of a neutral gas with a moving magnetized plasma is given. The Alfvén expression for the critical velocity is identified with that for the terminal velocity while another expression for the threshold velocity for interaction is given. The implications of these results to the Alfvén-Arrhenius model for the solar system are discussed.

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Authors and Affiliations

  1. Physical Research Laboratory, Ahmedabad, India

    R. K. Varma

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  1. R. K. Varma
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Additional information

Paper dedicated to Professor Hannes Alfvén on the occasion of his 70th birthday, 30 May, 1978.

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Varma, R.K. On Alfvén's critical velocity for the interaction of a neutral gas with a moving magnetized plasma. Astrophys Space Sci 55, 113–124 (1978). https://doi.org/10.1007/BF00642583

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  • DOI: https://doi.org/10.1007/BF00642583

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