Excitation of the dust ion-acoustic and dust acoustic-like perturbations by plasma density ripples
Shukla, P.K. (2009) Excitation of the dust ion-acoustic and dust acoustic-like perturbations by plasma density ripples. Physics Letters A, 373 (20). pp. 1768-1770. ISSN 0375-9601 (http://dx.doi.org/10.1016/j.physleta.2009.03.024)
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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.
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Item type: Article ID code: 19167 Dates: DateEvent27 April 2009PublishedSubjects: Science > Physics Department: Faculty of Science > Physics Depositing user: Strathprints Administrator Date deposited: 23 May 2010 12:48 Last modified: 08 Apr 2024 17:51 URI: https://strathprints.strath.ac.uk/id/eprint/19167
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