Physics
Scientific paper
May 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3109803y&link_type=abstract
Geophysical Research Letters, Volume 31, Issue 9, CiteID L09803
Physics
2
Magnetospheric Physics: Magnetospheric Configuration And Dynamics, Magnetospheric Physics: Magnetotail, Magnetospheric Physics: Magnetotail Boundary Layers, Magnetospheric Physics: Numerical Modeling, Magnetospheric Physics: Plasma Sheet
Scientific paper
The dynamics of collisionless slow-mode shocks are examined using one-dimensional full particle (kinetic ions and electrons) and hybrid (kinetic ions, massless fluid electrons) simulations. Full particle simulations indicate that the downstream electron temperature becomes anisotropic (T$\parallel$e > T$\perp$e) at very oblique angles. The anisotropy results from both the large mirror effects and the electron heating due to the parallel electric field of very obliquely propagating kinetic Alfvén waves; it gives rise to finite off-diagonal electron pressure tensor terms in the simulation frame. Inclusion of these electron quasi-viscous effects in hybrid simulations allows slow shocks to be set up at very oblique angles, as observed in the distant tail, where dissipation from ion-ion streaming becomes much weaker.
Coroniti Ferdinan V.
Daughton William
Winske Dan
Yin Luiguo
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