03 خرداد 1403
عليرضا عبدي كيان

علیرضا عبدی کیان

مرتبه علمی: دانشیار
نشانی:
تحصیلات: دکترای تخصصی / فیزیک نظری (پلاسما)
تلفن:
دانشکده: دانشکده علوم پایه

مشخصات پژوهش

عنوان
Dissipative cylindrical magnetosonic solitary waves in a magnetized quantum dusty plasma
نوع پژوهش مقاله چاپ شده
کلیدواژه‌ها
dusty plasma; magnetosonic shock wave; the cylindrical Kadomtsev- Petviashvili-Burgers equation; external magnetic field; the tanh technique.
سال
2019
مجله Romanian Reports in Physics
پژوهشگران علیرضا عبدی کیان

چکیده

The propagation of nonlinear magnetosonic wave in electron-iondust (complex) plasmas, considering the effects of Bohm potential in the presence of an external magnetic field is reported. By means of the quantum hydrodynamics model and applying the reductive perturbation method, a cylindrical Kadomtsev- Petviashvili-Burgers (CKPB) equation is derived. The CKPB equation can be solved analytically using a suitable coordinate transformation with the tanh technique. The numerical results reveal that the plasma density, the magnetic field strength, and the dust kinematic viscosity strongly affect on the profile of magnetoacoustic shocks. It is found that the shock structures decrease with the increase of electron number density. Moreover, increasing the value of magnetic field intensity, the strength of the cylindrical magnetoacoustic shock diminishes at a specific time and the strength of the shock increases with the enhancement of the dust kinematic viscosity.