Shock Surfing and Shock Drift Acceleration at a 2D Turbulent Front

Details Shock Surfing and Shock Drift Acceleration at a 2D Turbulent Front Shock Surfing and Shock Drift Acceleration at a 2D Turbulent Front

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsh41b0763l&link_type=abstract

American Geophysical Union, Fall Meeting 2001, abstract #SH41B-0763

Computer Science

Performance

2124 Heliopause And Solar Wind Termination, 2152 Pickup Ions, 7514 Energetic Particles (2114), 7807 Charged Particle Motion And Acceleration

Scientific paper

We numerically investigate pickup ion acceleration by the Shock Surfing and Shock Drift mechanisms at a two dimensional shock front using test particle simulations. A plane shock is perturbed by a sinusoidal variation in either position normal to the shock plane or a longitudinal variation in the convective electric field along the front. We present the results of a study in which the perturbation amplitude, wavenumber and frequency are varied as free parameters and quantitatively assess the performance of the two mechanisms by comparing velocity maxima achieved and acceleration efficiency as measured by the value of the distribution function at critical values required to initiate Diffusive Shock Acceleration. We extend the parameter study to include variation in shock Mach number, test particle mass and magnetic field angle to the shock normal. We demonstrate that Shock Surfing remains robust over a wide range of parameters, discuss conditions under which the mechanism may be suppressed and present theoretical models to support our observations.

Affiliated with

Also associated with

No associations

Rating

Shock Surfing and Shock Drift Acceleration at a 2D Turbulent Front does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Shock Surfing and Shock Drift Acceleration at a 2D Turbulent Front, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Shock Surfing and Shock Drift Acceleration at a 2D Turbulent Front will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1382206