# Coupled nonlinear drift and ion acoustic waves in dense dissipative electron-positron-ion magnetoplasmas

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Propagation of arbitrary-amplitude ion-waves is investigated in an extremely degenerate electron-positron-ion plasma with relativistic electrons/positrons and dynamic cold ions using Sagdeev pseudopotential method in the framework of quantum hydrodynamics model. The matching criterion of...

- Arbitrary amplitude ion-acoustic solitary waves in superthermal electron-positron-ion magnetoplasma. El-Tantawy, S.; El-Bedwehy, N.; Khan, S.; Ali, S.; Moslem, W. // Astrophysics & Space Science;Dec2012, Vol. 342 Issue 2, p425
Arbitrary amplitude ion-acoustic solitary waves propagating in a magnetized plasma composed of positive ions, superthermal electrons and positrons are investigated. For this purpose, the ions are represented by the hydrodynamical fluid equations while the non-Maxwellian electrons and positrons...

- Nonlinear Zakharovâ€“Kuznetsov equation for obliquely propagating two-dimensional ion-acoustic solitary waves in a relativistic, rotating magnetized electron-positron-ion plasma. Mushtaq, A.; Shah, H. A. // Physics of Plasmas;Jul2005, Vol. 12 Issue 7, p072306
The purpose of this work is to investigate the linear and nonlinear properties of the ion-acoustic waves (IAW), propagating obliquely to an external magnetic field in a weakly relativistic, rotating, and magnetized electron-positron-ion plasma. The Zakharovâ€“Kuznetsov equation is derived...

- The Characteristics of Ion-Acoustic Solitons in Electron-Positron-Ion Magnetized Plasma. Eslami, P.; Mottaghizadeh, M. // International Review of Physics;Jun2009, Vol. 3 Issue 3, p150
In this paper, the propagation of ion-acoustic waves in electron-positron-ion magnetized plasmas is analyzed, numerically. The effect of positron density on the amplitude of ion-acoustic waves is also studied. Corresponding to a fixed positron density, it is shown that the speed of the wave can...

- Ion acoustic and drift wave vortices in electronâ€“positronâ€“ion plasmas. Haque, 0.; Saleem, H. // Physics of Plasmas;Sep2003, Vol. 10 Issue 9, p3793
It is shown that two-dimensional large amplitude ion acoustic waves can give rise to dipolar vortex structures in magnetized homogeneous electronâ€“positronâ€“ion plasmas. In nonuniform plasmas they can couple with drift waves and similar structures can again be produced. A comparison...

- Magnetohydrodynamic spin waves in degenerate electron-positron-ion plasmas. Mushtaq, A.; Maroof, R.; Ahmad, Zulfiaqr; Qamar, A. // Physics of Plasmas;May2012, Vol. 19 Issue 5, p052101
Low frequency magnetosonic waves are studied in magnetized degenerate electron-positron-ion plasmas with spin effects. Using the fluid equations of magnetoplasma with quantum corrections due to the Bohm potential, temperature degeneracy, and spin magnetization energy, a generalized dispersion...

- Effect of ion temperature on arbitrary amplitude ion acoustic solitary waves in quantum electron-ion plasmas. Chatterjee, Prasanta; Roy, Kaushik; Muniandy, Sithi V.; Yap, S. L.; Wong, C. S. // Physics of Plasmas;Apr2009, Vol. 16 Issue 4, p042311
Using Sagdeevâ€™s pseudopotential technique, the effect of ion temperature on the arbitrary amplitude ion acoustic solitary waves in quantum electron-ion plasma is studied. In addition, the effect of ion temperature on the region of existence, as well as on the shape of the solitary waves,...

- Dressed solitons in quantum electron-positron-ion plasmas. Chatterjee, Prasanta; Roy, Kaushik; Mondal, Ganesh; Muniandy, S. V.; Yap, S. L.; Wong, C. S. // Physics of Plasmas;Dec2009, Vol. 16 Issue 12, p122112
Nonlinear propagation of quantum ion acoustic waves in a dense quantum plasma whose constituents are electrons, positrons, and positive ions is investigated using a quantum hydrodynamic model. The Kortewegâ€“de Vries equation is derived using reductive perturbation technique. The higher...

- Effects of density gradient and dust concentration on ion acoustic solitons in multicomponent plasmas. Shah, Asif; Haque, Q.; Mahmood, S. // Physics of Plasmas;Dec2009, Vol. 16 Issue 12, p123704
The ion acoustic solitons have been investigated in an inhomogeneous two-temperature electron plasma in the presence of immobile dust particles. The modified Kortewegâ€“de Vries equation with an additional term due to density gradients is deduced by employing reductive perturbation...