Diffusive penetration of the IMF B(y) into the magnetosphere

Details Diffusive penetration of the IMF B(y) into the magnetosphere Diffusive penetration of the IMF B(y) into the magnetosphere

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993p%26ss...41..147k&link_type=abstract

Planetary and Space Science (ISSN 0032-0633), vol. 41, no. 2, p. 147-151.

Physics

1

Earth Magnetosphere, Interplanetary Magnetic Fields, Magnetic Field Reconnection, Solar Wind, Electric Fields, Geomagnetism

Scientific paper

A mechanism of the observed IMF B(y) penetration into the magnetosphere is discussed. It is argued that diffusion of the IMF through the magnetopause prevails when the IMF is sufficiently weak. The diffusive penetration coefficient defined as the ratio between the internal B(y) penetration and the IMF B(y) is estimated to be of order R(m) exp -1/4, where R(m) is the magnetic Reynolds number. A model is developed to describe quantitatively a magnetic field in the outer solar wind flow (within the diffusive magnetopause) and the IMF-related magnetic field in the magnetosphere. The calculated values of the diffusive penetration coefficient are consistent with the observational data. Some difference in the results is mainly due to the electric currents inside the magnetosphere which are caused by the penetration of the solar wind electric field into the magnetosphere along the open field lines. The further improvement of the model implies the incorporation of this current system.

Affiliated with

Also associated with

No associations

Rating

Diffusive penetration of the IMF B(y) into the magnetosphere 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 Diffusive penetration of the IMF B(y) into the magnetosphere, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Diffusive penetration of the IMF B(y) into the magnetosphere will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1276274