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Drift KdV and KP equation in electron–positron–ion plasma with trapping effects

  • Muzzamal Iqbal Shaukat
Original Paper
  • 13 Downloads

Abstract

Linear and nonlinear propagation of one- and two-dimensional drift ion acoustic waves with the effects of trapping in electron–positron–ion degenerate plasma has been considered. The characteristics of the dispersion relation in a two-dimensional quantum degenerate plasma has modified significantly due to the inclusion of positrons. The variations of drift KdV and KP equation have been studied with magnetic field, positron concentration and electron degeneracy temperature. The system under consideration admits compressive solitary structures only. The present studies may be valuable to understand the propagation of drift solitary structures with special reference to white dwarf stars.

Keywords

Drift solitary wave Trapping effect Electron–positron–ion plasma 

PACS Nos.

47.35.Fg 52.35.Kt 52.35.Mw 52.35.Fp 

Notes

Acknowledgements

The author acknowledges the support from the DP-PMI program and Fundacao para a Ciencia e a Tecnologia, Portugal, namely through the Scholarship Number SFRH/PD/BD/113650/2015.

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Copyright information

© Indian Association for the Cultivation of Science 2018

Authors and Affiliations

  1. 1.CeFEMA, Instituto Superior TecnicoUniversidade de LisboaLisbonPortugal
  2. 2.University of Engineering and Technology (RCET Campus)LahorePakistan

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