Physics
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufmsm51d..02m&link_type=abstract
American Geophysical Union, Fall Meeting 2004, abstract #SM51D-02
Physics
7815 Electrostatic Structures, 7835 Magnetic Reconnection, 2712 Electric Fields (2411), 2724 Magnetopause, Cusp, And Boundary Layers
Scientific paper
Recently, very strong electrostatic structures with Debye scale at the dayside magnetopause have been frequently observed by the Polar satellite. These structures were commonly found on the magnetospheric side of the Earth's magnetopause. In our early full particle simulation starting from a symmetric initial conditions, we demonstrated that these strong electrostatic layers with Debye scale are associated with the magnetic reconnection and assist the formation of Petschek-type slow shock just inside of the reconnection separatrices. In this presentation, we carry out a full particle simulation with an asymmetric initial condition. The results indicate that the electrostatic layer is found only in the low density side or the magnetospheric side, which is consistent with the observations. Comparing different initial conditions, we try to identify the key parameters that control the occurrence of the Debye length scaled electrostatic layer.
Huang Jianwei
Ma Zhi-Wei
Mozer Forrest S.
Scudder Jack D.
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