Plasma dynamics on current-carrying magnetic flux tubes

Details Plasma dynamics on current-carrying magnetic flux tubes Plasma dynamics on current-carrying magnetic flux tubes

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992jgr....97.2881s&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 97, no. A3, March 1, 1992, p. 2881-2889.

Physics

4

Auroras, Digital Simulation, Field Aligned Currents, Magnetic Flux, Plasma Dynamics, Earth Magnetosphere, Electron Precipitation, Electrostatic Waves, Magnetic Field Configurations, Solar Atmosphere

Scientific paper

A 1D numerical simulation is used to investigate the evolution of a plasma in a current-carrying magnetic flux tube of variable cross section. A large potential difference, parallel to the magnetic field, is applied across the domain. The result is that density minimum tends to deepen, primarily in the cathode end, and the entire potential drop becomes concentrated across the region of density minimum. The evolution of the simulation shows some sensitivity to particle boundary conditions, but the simulations inevitably evolve into a final state with a nearly stationary double layer near the cathode end. The simulation results are at sufficient variance with observations that it appears unlikely that auroral electrons can be explained by a simple process of acceleration through a field-aligned potential drop.

Affiliated with

Also associated with

No associations

Rating

Plasma dynamics on current-carrying magnetic flux tubes 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 Plasma dynamics on current-carrying magnetic flux tubes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Plasma dynamics on current-carrying magnetic flux tubes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1218935