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10 papers · 1 filter
Solar Wind Penetration into Dusty Magnetospheres creates Electrostatic Waves and Structures
Usman Saeed, Shaukat Ali Shan, Hamid Saleem
The low frequency electrostatic perturbations have been investigated in a bi ion plasma in the background of static dust. It is shown that the field aligned shear flow of both the…
Linear and nonlinear analysis of Ion-Temperature-Gradient (ITG) Driven mode in the asymmetric Pair-Ion Magnetoplasma
Javaria Razzaq, Zahida Ehsan, Arshad M. Mirza
We have investigated linear and nonlinear dynamics of ion-temperature-gradient driven drift mode for Maxwellian and non Maxwellian pair-ion plasma embedded in an inhomogeneous magn…
Shocklets in the Comet Halley Plasma
Ismat Naeem, Zahida Ehsan, A. M. Mirza +1
Dust acoustic (DA) waves evolving into shocklets are investigated in the Comet Halley plasma system relaxing to Maxwellian, Kappa and Cairns distributions. Here dynamics of dust is…
Solar wind driven electrostatic instabilities with generalized r,q distribution function
Warda Nasir, Zahida Ehsan, M. N. S. Qureshi +1
Using Boltzmann Vlasov kinetic model with the flat-top non-Maxwellian distributed electrons and ions, a velocity power law energetic tail, known as the generalized r, q distributio…
Modulation instability of lower hybrid waves leading to cusp solitons in electron-positron-ion Thomas Fermi plasma
Zahida Ehsan, N. L. Tsintsadze, Renato Fedele
Following the idea of three wave resonant interactions of lower hybrid waves it is shown that quantum -modified lower hybrid (QLH) wave in electron positron ion plasma with spatial…
Extraordinary Drift Wave in Space and Cylindrically Bounded Heavy Ion Plasmas
Hamid Saleem, Usman Saeed
It is pointed out that electrostatic and electromagnetic waves propagating in perpendicular direction to the density gradient and external ma…