Physics
Scientific paper
Nov 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009chphl..26k9402f&link_type=abstract
Chinese Physics Letters, Volume 26, Issue 11, pp. 119402 (2009).
Physics
1
Scientific paper
Characteristics of ULF waves associated with the solar wind deceleration in the Earth's foreshock on 6-7 April 2003 is studied using the wave telescope technique. In the satellite frame, the ULF waves are the left-handed polarized and quasi anti-parallel propagating mode, with a power peak at about 18.63 mHz. The wave vector in the GSE coordinates is estimated to be κ = (-4.29, 2.28, 1.21) × 10-4 km-1. In the solar wind frame, the frequency of waves becomes -9.39 mHz after the Doppler shift correction. The propagation direction of the waves is thus reversed and correspondingly the polarization of the waves becomes right-handed. The above-mentioned characteristics of the ULF waves in the solar wind frame indicate that the ULF waves associated with the solar wind deceleration are the Alfven-whistler waves, which have been frequently reported in both the observations and computer simulations.
Cao Jin-Bin
Dandouras Iannis
Fu Hui-Shan
Lucek Elizabeth
Reme Henri
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