Excitation of electrostatic ion-cyclotron-like modes by the electron density ripple in dusty magnetoplasmas

Shukla, P.K. (2009) Excitation of electrostatic ion-cyclotron-like modes by the electron density ripple in dusty magnetoplasmas. Journal of Plasma Physics, 75 (4). pp. 433-436. ISSN 0022-3778 (http://dx.doi.org/10.1017/S0022377809008071)

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Abstract

It is shown that electrostatic ion-eyelotron (EIC)-like modes can be excited by the pre-existing electron density ripple across the external magnetic field in a dusty magnetoplasma. For this purpose, we use the ion continuity and momentum equations, together with the Boltzmann-distributed electrons, and derive the standard Mathieu equation. The latter admits unstable solutions, demonstrating that the EIC-like modes in dusty magnetoplasms can be driven due to the free energy in the electron density ripple. the electron density ripple.

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• Item metadata

  Item type:	Article
  ID code:	19037
  Dates:	Date Event August 2009 Published
  Subjects:	Science > Physics
  Department:	Faculty of Science > Physics
  Depositing user:	Strathprints Administrator
  Date deposited:	01 Jun 2010 09:58
  Last modified:	08 Apr 2024 17:54
  URI:	https://strathprints.strath.ac.uk/id/eprint/19037