Three-dimensional nonlinear Schroedinger equation for dust-acoustic waves and its stability in magnetized dusty plasma with two-temperature nonthermal ions and dust charge variation
- Institute of Nonlinear Physics, Zhejiang normal University, Jinhua 321004, Zhejiang (China) and CCAST (World Laboratory), P.O. Box 8730, Beijing 100080 (China)
The effect of two-temperature nonthermal ions and variable dust charge on small-amplitude nonlinear dust-acoustic waves (DAW) is investigated. By using the reductive perturbation technique, the three-dimensional nonlinear Schroedinger equation (3D-NLSE) is first derived. The modulational instability of DAW in the magnetized dusty plasma is investigated as well. Meanwhile, some new and important stability regions are given. The effect of the nonthermal parameter a is shown to play a significant role in the determination of the normalized dust charge. Further, setting this parameter to zero degenerates the system into one in the magnetized dusty plasma consisting of the isothermal ions.
- OSTI ID:
- 20782496
- Journal Information:
- Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 2 Vol. 13; ISSN PHPAEN; ISSN 1070-664X
- Country of Publication:
- United States
- Language:
- English
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