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Wave-particle interactions in the equatorial source region of whistler-mode emissions
- 1.0357502 - ÚFA 2011 RIV US eng J - Journal Article
Santolík, Ondřej - Gurnett, D. A. - Pickett, J. S. - Grimald, S. - Décréau, P. M. E. - Parrot, M. - Cornilleau-Wehrlin, N. - El-Lemdani Mazouz, F. - Schriver, D. - Meredith, N. P. - Fazakerley, A.
Wave-particle interactions in the equatorial source region of whistler-mode emissions.
Journal of Geophysical Research. Roč. 115, - (2010), A00F16/1-A00F16/13. ISSN 0148-0227
R&D Projects: GA MŠMT(CZ) ME10001; GA ČR GA205/09/1253
Grant - others:GA MŠk(CZ) ME 842
Institutional research plan: CEZ:AV0Z30420517
Keywords : wave-particle interactions * equatorial region * Cluster spacecraft
Subject RIV: BL - Plasma and Gas Discharge Physics
Impact factor: 3.303, year: 2010
Wave-particle interactions can play a key role in the process of transfer of energy between different electron populations in the outer Van Allen radiation belt. We present a case study of wave-particle interactions in the equatorial source region of whistler-mode emissions. We select measurements of the Cluster spacecraft when these emissions are observed in the form of random hiss with only occasional discrete chorus wave packets, and where the wave propagation properties are very similar to previously analyzed cases of whistler-mode chorus. We observe a positive divergence of the Poynting flux at minima of the magnetic field modulus along the magnetic field lines, indicating the central position of the source.
Permanent Link: http://hdl.handle.net/11104/0195765
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