Suprathermal electron isotropy in high-beta solar wind and its role in heat flux dropouts

Details Suprathermal electron isotropy in high-beta solar wind and its role in heat flux dropouts Suprathermal electron isotropy in high-beta solar wind and its role in heat flux dropouts

Jun 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30l..21c&link_type=abstract

Geophysical Research Letters, Volume 30, Issue 12, pp. 21-1, CiteID 1619, DOI 10.1029/2003GL017036

Physics

13

Interplanetary Physics: Solar Wind Plasma, Interplanetary Physics: Plasma Waves And Turbulence, Interplanetary Physics: Interplanetary Magnetic Fields

Scientific paper

Time variations in plasma beta and a parameter which measures isotropy in suprathermal electron pitch angle distributions show a remarkably close correspondence throughout the solar wind. The finding implies that high-beta plasma, with its multiple magnetic holes and sharp field and plasma gradients, is conducive to electron pitch-angle scattering, which reduces heat flux from the Sun without field-line disconnection. Thus the finding impacts our understanding of signatures we use to determine magnetic topology in the heliosphere.

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