Physics – Plasma Physics
Scientific paper
Apr 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011jgra..11604215p&link_type=abstract
Journal of Geophysical Research, Volume 116, Issue A4, CiteID A04215
Physics
Plasma Physics
Magnetospheric Physics: Magnetic Reconnection (7526, 7835), Magnetospheric Physics: Magnetopause And Boundary Layers, Space Plasma Physics: Kinetic Waves And Instabilities, Space Plasma Physics: Mathematical And Numerical Techniques (0500, 3200)
Scientific paper
The properties of an asymmetric magnetopause current layer without a guide magnetic field are investigated using three-dimensional particle-in-cell simulations. The low-density (magnetosphere) side of the current layer is found to be unstable to an internal mode that ripples the current layer with a wavelength comparable to the ion inertia length based on the high (magnetosheath) density. These modes produce localized perpendicular electric fields with peak magnitude of the order of 100 mV/m, which is more than an order of magnitude greater than in corresponding two-dimensional treatments. The rippling of the current sheet leads to a modulation in the east-west direction on time scales of the order of a second of the electron outflows and Poynting flux produced by magnetic reconnection.
Mozer Forrest S.
Pritchett Philip L.
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