Small amplitude double-layers in an electron depleted dusty plasma with ions featuring the Tsallis distribution |
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Authors: | Biswajit Sahu Mouloud Tribeche |
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Institution: | 1. Department of Mathematics, West Bengal State University, Barasat, Kolkata, 700126, India 2. Plasma Physics Group, Theoretical Physics Laboratory, Faculty of Sciences-Physics, University of Bab-Ezzouar, U.S.T.H.B, B.P. 32, El Alia, Algiers, 16111, Algeria
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Abstract: | The properties of dust acoustic double-layers (DA-DLs) in an unmagnetized electron depleted dusty plasma consisting of inertial dust fluid and ions featuring Tsallis statistics are investigated. It is found that our plasma model can admit compressive as well as rarefactive DA-DLs depending on the value of nonextensive parameter q. As the value of q increases, the negative DA-DL shrinks and, beyond a certain critical value, develops into a positive structure allowing therefore the existence of compressive DA-DLs. |
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