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Excitation of the dust ion-acoustic and dust acoustic-like perturbations by plasma density ripples
Institut für Theoretische Physik IV, Ruhr-Universität Bochum, D-44780 Bochum, Germany.
2009 (English)In: Physics Letters A, ISSN 0375-9601, E-ISSN 1873-2429, Vol. 373, no 20, 1768-1770 p.Article in journal (Refereed) Published
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Abstract [en]

It is shown that the dust ion-acoustic (DIA) and dust acoustic (DA)-like perturbations can be excited by the electron density and ion density ripples, respectively. For this purpose, we use the relevant equations for the DIA and DA-like disturbances and derive the standard Mathieu equation. The latter admits unstable solutions, demonstrating that both the DIA and DA-like mode can be driven on account of the free energy in the plasma density ripples.

Place, publisher, year, edition, pages
Amsterdam: Elsevier, 2009. Vol. 373, no 20, 1768-1770 p.
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:umu:diva-116009DOI: 10.1016/j.physleta.2009.03.024ISI: 000265671900012OAI: oai:DiVA.org:umu-116009DiVA: diva2:905483
Available from: 2016-02-22 Created: 2016-02-08 Last updated: 2016-02-22Bibliographically approved

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Shukla, Padma Kant
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