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Dromion solutions for an electron acoustic wave and its application to space observations

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Abstract

The nonlinear evolution of an electron acoustic wave is shown to obey the Davey-Stewartson I equation which admits so called dromion solutions. The importance of these two dimensional localized solutions for recent satellite observations of wave structures in the day side polar cap regions is discussed and the parameter regimes for their existence is delineated.

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Authors and Affiliations

  1. Institute for Plasma Research, 382 428, Bhat, Gandhinagar, India

    S S Ghosh, A Sen & G S Lakhina

  2. Indian Institute of Geomagnetism, 400 005, Colaba, Mumbai, India

    G S Lakhina

Authors
  1. S S Ghosh
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  2. A Sen
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  3. G S Lakhina
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Ghosh, S.S., Sen, A. & Lakhina, G.S. Dromion solutions for an electron acoustic wave and its application to space observations. Pramana - J Phys 55, 693–698 (2000). https://doi.org/10.1007/s12043-000-0034-0

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  • DOI: https://doi.org/10.1007/s12043-000-0034-0

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