Hybrid simulations of whistler waves generation and current closure by a pulsed tether in the ionosphere

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dc.contributor.authorChang, C. L.
dc.contributor.authorLipatov, Alexander
dc.contributor.authorDrobot, A. T.
dc.contributor.authorPapadopoulos, K.
dc.contributor.authorSatya-Narayana, P.
dc.date.accessioned2024-01-30T07:46:56Z
dc.date.available2024-01-30T07:46:56Z
dc.date.issued1994-06-01
dc.description.abstractThe dynamic response of a magnetized collisionless plasma to an externally driven, finite size, sudden switch-on current source across the magnetic field has been studied using a two dimensional hybrid code. It was found that the predominant plasma response was the excitation of whistler waves and the formation of current closure by induced currents in the plasma. The results show that the current closure path consists of: a) two antiparallel field-aligned current channels at the end of the imposed current sheet; and b) a cross-field current region connecting these channels. The formation of the current closure path occured in the whistler timescale much shorter than that of MHD and the closure region expanded continuously in time. The current closure process was accompanied by significant energy loss due to whistler radiation.
dc.description.sponsorshipThis research was supported in part by NASA under contract NAS8-36811.
dc.description.urihttps://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/94GL00700
dc.format.extent4 pages
dc.genrejournal articles
dc.identifier.citationChang, C. L., A. S. Lipatov, A. T. Drobot, K. Papadopoulos, and P. Satya-Narayana. “Hybrid Simulations of Whistler Waves Generation and Current Closure by a Pulsed Tether in the Ionosphere.” Geophysical Research Letters 21, no. 11 (1994): 1015–18. https://doi.org/10.1029/94GL00700.
dc.identifier.urihttps://doi.org/10.1029/94GL00700
dc.identifier.urihttp://hdl.handle.net/11603/31519
dc.language.isoen_US
dc.publisherAGU
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Goddard Planetary Heliophysics Institute (GPHI)
dc.relation.ispartofUMBC GESTAR II
dc.rights©1994. American Geophysical Union. All Rights Reserved
dc.titleHybrid simulations of whistler waves generation and current closure by a pulsed tether in the ionosphere
dc.typeText
dcterms.creatorhttps://orcid.org/0000-0001-5026-8214

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