Dust−ion acoustic freak wave propagation in a nonthermal mesospheric dusty plasma
Journal Article
·
· Plasma Physics Reports
- Domietta University, Theoretical Physics Group, Faculty of Science (Egypt)
- Assiut University, New Valley Branch, Department of Physics, Faculty of Science (Egypt)
Nonlinear properties of dust−ion acoustic freak waves have been studied in homogeneous unmagnetized dusty plasmas consisting of ions, nonthermal fast electrons, and positive and negative dust grains. By using derivative expansion method under the assumption of strongly dispersive medium, the basic equations are reduced to nonlinear Schrödinger equation (NLSE). One of NLSE solutions in the unstable region is the rational one which is responsible for creation of the freak waves. The dependence of the freak wave profile on the dust grain charge, carrier wavenumber, and energetic nonthermal electron population is discussed.
- OSTI ID:
- 22760334
- Journal Information:
- Plasma Physics Reports, Journal Name: Plasma Physics Reports Journal Issue: 5 Vol. 43; ISSN PPHREM; ISSN 1063-780X
- Country of Publication:
- United States
- Language:
- English
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