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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

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Abstract

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.

Item type: Article
ID code: 19370
Keywords: mobile positive/negative ions, multicomponent dusty plasmas, Plasma physics. Ionized gases, Physics and Astronomy(all)
Subjects: Science > Physics > Plasma physics. Ionized gases
Department: Faculty of Science > Physics
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 02 Jun 2010 14:50
    Last modified: 05 Sep 2014 02:43
    URI: http://strathprints.strath.ac.uk/id/eprint/19370

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