Modeling of proton nose structures in the inner magnetosphere with a self-consistent electric field model

Details Modeling of proton nose structures in the inner magnetosphere with a self-consistent electric field model Modeling of proton nose structures in the inner magnetosphere with a self-consistent electric field model

Feb 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jastp..70..503b&link_type=abstract

Journal of Atmospheric and Solar-Terrestrial Physics, vol. 70, issue 2-4, pp. 503-510

Physics

3

Inner Magnetosphere, Shielding, Self-Consistent Electric Field, Ionosphere-Magnetosphere Coupling, Ring Current

Scientific paper

We present the results of inner magnetosphere numerical modeling with a self-consistent electric field. We reconstruct proton energy-time spectrograms, including some with proton nose structures. Using different sets of input parameters we investigate the role of the dawn-dusk potential drop and plasma sheet concentration on nose structure formation and dynamics. It is shown that nose structures can form up to L[approximate]3.3 under periods of enhanced potential drop. The penetration of nose structures depends on shielding strength, which in turn is governed by boundary plasma concentration. In a quiet interval after a temporary potential drop increase, multiple nose structures are formed.

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