MODULATIONAL INSTABILITY OF DUST-ACOUSTIC AND DUST-ION-ACOUSTIC WAVES

Authors
AMIN MR MORFILL GE SHUKLA PK
Citation
Mr. Amin et al., MODULATIONAL INSTABILITY OF DUST-ACOUSTIC AND DUST-ION-ACOUSTIC WAVES, Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 58(5), 1998, pp. 6517-6523
Citations number
20
Categorie Soggetti
Physycs, Mathematical","Phsycs, Fluid & Plasmas
Journal title
Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics → ACNP
ISSN journal
1063651X
Volume
58
Issue
5
Year of publication
1998
Part
B
Pages
6517 - 6523
Database
ISI
SICI code
1063-651X(1998)58:5<6517:MIODAD>2.0.ZU;2-D
Abstract
Using the standard reductive perturbation technique, a nonlinear Schro dinger equation is derived to study the modulational instability of fi nite amplitude dust-acoustic (DA) and dust-ion-acoustic (DIA) waves ag ainst oblique perturbations (with respect to the propagation direction of the carrier waves) in an unmagnetized dusty plasma. It is shown th at both the DA and DIA waves are modulationally unstable. Possible sta tionary states of the wave packets can appear as envelope solitons. [S 1063-651X(98)06111-X].