A mechanism for the formation of plasmoids and kink waves in the heliospheric current sheet

Details A mechanism for the formation of plasmoids and kink waves in the heliospheric current sheet A mechanism for the formation of plasmoids and kink waves in the heliospheric current sheet

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988soph..117..157w&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 117, no. 1, 1988, p. 157-169.

Physics

19

Current Sheets, Heliosphere, Plasma Dynamics, Satellite Observation, Tearing Modes (Plasmas), Magnetic Field Configurations, Solar Corona, Solar Wind

Scientific paper

Satellite observations of the heliospheric current sheet indicate that the plasma flow velocity is low at the center of the current sheet and high on the two sides of current sheet. The authors investigate the growth rates and eigenmodes of the sausage, kind, and tearing instabilities in the heliospheric current sheet with the observed sheared flow. These instabilities may lead to the formation of the plasmoids and kink waves in the solar wind. The results show that both the sausage and kink modes can be excited in the heliospheric current sheet with a growth time ≡0.05-5 day. Therefore, these modes can grow during the transit of the solar wind from the Sun to the Earth.

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