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Low-frequency shock waves in a magnetized superthermal dusty plasma | ||
| Journal of Theoretical and Applied Physics | ||
| مقاله 3، دوره 11، شماره 3، آذر 2017، صفحه 181-189 اصل مقاله (1.14 M) | ||
| شناسه دیجیتال (DOI): 10.1007/s40094-017-0260-1 | ||
| نویسندگان | ||
B. S. Chahal؛ Yashika Ghai؛ N. S. Saini 
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| Department of Physics, Guru Nanak Dev University | ||
| چکیده | ||
| AbstractThe characteristics of low-frequency shocks in a magnetized dusty plasma comprising of negatively charged dust fluid, kappa-distributed electrons and ions have been investigated. Using the reductive perturbation method, the nonlinear Korteweg de–Vries–Burgers (KdV–B) equation which governs the dynamics of the dust acoustic (DA) shock waves is derived. The characteristics of shock structures are studied under the influence of various plasma parameters, viz. superthermality of ions, magnetic field, electron-to-dust-density ratio, kinematic viscosity, ion-to-electron-temperature ratio and obliqueness. The combined effects of these physical parameters significantly influence the characteristics of DA shock structures. It is observed that only negative potential shocks exist in a plasma environment comprising of dust fluid and superthermal electrons and ions such as that of Saturn’s magnetosphere. | ||
| کلیدواژهها | ||
| Dust acoustic؛ Shock waves؛ KdV–Burgers؛ Superthermal | ||
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آمار تعداد مشاهده مقاله: 51 تعداد دریافت فایل اصل مقاله: 44 |
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