Currents in the cometary atmosphere |
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| Authors: | W.-H. Ip |
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| Affiliation: | Dept. of Applied Physics and Information Science, University of California, San Diego, La Jolla, California 92093 U.S.A. |
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| Abstract: | If the structure of the magnetic field and electric current in the cometary type I tail can be represented by an electric current circuit, disruption of the cross-tail current system may lead to a current discharging through the cometary ionosphere, and the dissipation of the magnetic energy stored in the tail. From the point of view of energy budget, a tail-aligned magnetic field on the order of 10γ will be sufficient to produce a strong ionization effect of the cometary atmosphere. |
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