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Nonlinear Processes in Geophysics An interactive open-access journal of the European Geosciences Union
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Volume 20, issue 2
Nonlin. Processes Geophys., 20, 249–255, 2013
https://doi.org/10.5194/npg-20-249-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.
Nonlin. Processes Geophys., 20, 249–255, 2013
https://doi.org/10.5194/npg-20-249-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 26 Apr 2013

Research article | 26 Apr 2013

Obliquely propagating electron acoustic solitons in magnetized plasmas with nonextensive electrons

H. R. Pakzad1 and K. Javidan2 H. R. Pakzad and K. Javidan
  • 1Department of Physics, Bojnourd Branch, Islamic Azad University, Bojnourd, Iran
  • 2Department of Physics, Ferdowsi University of Mashhad, 91775-1436 Mashhad, Iran

Abstract. The problem of small amplitude electron-acoustic solitary waves (EASWs) is discussed using the reductive perturbation theory in magnetized plasmas consisting of cold electrons, hot electrons obeying nonextensive distribution and stationary ions. The presented investigation shows that the presence of nonextensive distributed hot electrons (due to the effects of long-range interactions) causes a reduction in the soliton amplitude while its width increases. The effects of the population ratio of hot to cold electrons and also the effects of the presence of magnetic field in this situation are also discussed.

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