Solitary potentials in cometary dusty plasmas

Details Solitary potentials in cometary dusty plasmas Solitary potentials in cometary dusty plasmas

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29r..17m&link_type=abstract

Geophysical Research Letters, Volume 29, Issue 18, pp. 17-1, CiteID 1870, DOI 10.1029/2002GL015219

Physics

Plasma Physics

33

Space Plasma Physics: Electrostatic Structures, Space Plasma Physics: Nonlinear Phenomena, Planetology: Solar System Objects: Comets, Space Plasma Physics: General Or Miscellaneous

Scientific paper

Recent observations reveal that plasmas in cometary tails contain charged dust grains of positive and negative polarities. Our objective here is to show that such a two-component dusty plasma supports dust-Langmuir and dust-acoustic waves. The latter in the nonlinear regime propagate in the form of localized negative potentials. The role of large amplitude potential structures for trapping the positive dust grains and for the formation of dust layers of opposite polarity is discussed.

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