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RISSolitons of the Kadomstev-Petviashvili (KP) and the modified KP equation for the dust dust acoustic solitary waves in dusty plasmas
By using the reductive perturbation theory, the Kadomstev-Petviashvili (KP) equation in unmagnetized dusty plasmas with variable dust charge, electrons with Boltzmann distribution and nonthermal ions, is derived and the ...
Modulational instability of ion acoustic waves in e-p-i plasmas with electrons and positrons following a q-nonextensive distribution
The propagation of ion acoustic waves (IAWs) in plasmas composed of ions and nonextensive
electrons and positrons is investigated. By means of the reduction perturbation technique, a
nonlinear Schro¨dinger ...
Electron acoustic waves in atmospheric magnetized plasma
Propagation of electron acoustic solitary waves is studied in magnetized plasmas
consisting of hot and cold electrons and stationary ions in the presence of varying magnetic
field. We show that a space dependent ...
Large amplitude dust ion acoustic solitons: considering dust polarity and nonextensive electrons
The characteristics of arbitrary amplitude dust ion acoustic solitary waves
(DIASWs) are studied in unmagnetized dusty plasmas whose constituents are cold
uid ions, nonextensive electrons and stationary ...
Provenance of the heavy metals in sand sediments of the Oman Sea (Sistan and Baluchestan district)
بررسی منشأ فلزات سنگین در رسوبات ماسه ای بخشی از دریای عمان در محدوده استان سیستان و بلوچستان
منطقه مورد مطالعه در دریای عمان در محدوده استان سیستان و بلوچستان قرار دارد. نمونه برداری از رسوبات سطحی بستر دریا در 16 نقطه به‌وسیله دستگاه گراب انجام گرفت. این رسوبات بر روی الک 200 تا 230 مش (ماسه بسیار ریز) و اغلب بر ...