Wake potential with mobile positive/negative ions in multicomponent dusty plasmas
Ali, S. and Moslem, W.M. and Shukla, P.K. (2008) Wake potential with mobile positive/negative ions in multicomponent dusty plasmas. Physics Letters A, 372 (44). pp. 6650-6652. ISSN 0375-9601 (http://dx.doi.org/10.1016/j.physleta.2008.09.018)
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We employ the test charge approach to calculate the electrostatic potential for a test charge in a multicomponent dusty plasma, whose constituents are the Boltzmann distributed electrons, mobile positive and negative ions, and immobile positive/negative charged dust particles. By using the modified dielectric constant of the dust-ion-acoustic (DIA) waves, the Debye screening and wake potentials are obtained. It is found that the presence of mobile negative ions significantly modify the DIA speed and the wake potential. The present results are relevant to polar mesosphere and microelectronic in the context of charged particle attraction and repulsion.
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Item type: Article ID code: 19370 Dates: DateEvent27 October 2008PublishedSubjects: Science > Physics > Plasma physics. Ionized gases Department: Faculty of Science > Physics Depositing user: Strathprints Administrator Date deposited: 02 Jun 2010 13:50 Last modified: 08 Apr 2024 17:42 URI: https://strathprints.strath.ac.uk/id/eprint/19370