Physics – Plasma Physics
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsm11c..05c&link_type=abstract
American Geophysical Union, Fall Meeting 2011, abstract #SM11C-05
Physics
Plasma Physics
[7800] Space Plasma Physics, [7829] Space Plasma Physics / Kinetic Waves And Instabilities, [7835] Space Plasma Physics / Magnetic Reconnection, [7852] Space Plasma Physics / Solitons And Solitary Waves
Scientific paper
Using particle-in-cell simulations and kinetic theory, we explore the current-driven turbulence and associated electron heating in the dissipation region during 3D magnetic reconnection with a guide field. During the simulation the Buneman and lower hybrid instabilities are driven. Both produce electron holes that co-exist but have very different propagation speeds. The associated scattering of electrons by the holes enhances electron heating in the dissipation region. However, the strong anomalous heating does not accelerate the reconnection process. Later the very intense and thin current layers disintegrate and spread into complex filamentary web, the resulted anomalous momentum transport leads to the increase of reconnection rate.
Che Hai-hong
Drake James F.
Swisdak Michael
Yoon Peter H.
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