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Electrostatic acoustic modes in a self-gravitating complex plasma with variable charge impurities | | Amar P Misra
; K.Roy Chowdhury
; A.Roy Chowdhury
; | | Date: |
8 Dec 2004 | | Subject: | Pattern Formation and Solitons | nlin.PS | | Abstract: | A linear theory of dust acoustic (DA) and dust ion-acoustic (DIA) waves in a self-gravitating collisional dusty plasma contaminated by variable-charge impurities is presented for a self-consistent closed system. The ion-drag force arising from the ion orbital motion as well as momentum transfer from all the ions and self-gravitation are taken into consideration. The physical processes, viz., dust-charge relaxation, ionization, recombination and collisional dissipations are also taken into account self-consistently. The generalized dispersion relation describing the coupling of the acoustic modes with the dust-charge relaxation mode (CRM) and damping of the waves is derived and analyzed numerically. | | Source: | arXiv, nlin.PS/0501016 | | Services: | Forum | Review | PDF | Favorites | |
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