Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsm31a1685c&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #SM31A-1685
Physics
2723 Magnetic Reconnection (7526, 7835), 7526 Magnetic Reconnection (2723, 7835), 7829 Kinetic Waves And Instabilities, 7835 Magnetic Reconnection (2723, 7526), 7863 Turbulence (4490)
Scientific paper
Using linear kinetic theory and 3D PIC simulations, we explore the late time development of electron streaming instabilities driven during magnetic reconnection with a strong guide field. Some interesting result are discovered by both theory and simulations. We perform a 3D simulation starting with buneman instability in the strongly magnetized plasma. Electrons holes quickly formed. We find that the parallel Buneman instability can progress into two distinct forms of turbulence at late time: electron two-stream instability sustaining electron holes in the parallel direction, and lower hybrid instability driving turbulence in the perpendicular direction; The parallel phase speed of both instabilities increase with time enabling the energy of high velocity electrons to be redistributed; Both theory and simulations show that the lower hybrid turbulence only develops after strong parallel electron heating by the buneman instability.
Che Hai-hong
Drake James F.
Swisdak Michael
Yoon Peter
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