Electrostatic shock structures in magnetorotating relativistic plasmas with non-Maxwellian electrons

Khan, Majid; Abbasi, M. M.; Ahmad, Adeel; Masood, W.

doi:10.1063/1.5085489

Cited by 12 publications

(5 citation statements)

References 46 publications

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“…Significant modifications in the solitonic profiles were observed for the ion-acoustic waves due to additional positron component and reported the amplitude reduction of these waves for variation in positron concentration. Recently, numerous findings [14][15][16][17] have been identified to cover parametric and compositional analyses for ion-acoustic solitons in plasmas.…”

Section: Introductionmentioning

confidence: 99%

The energy dissipation of a test-charge particle within a dense, degenerate electron- positron-ion plasma

Ali,

Hafeez,

Khan

2024

Phys. Scr.

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The energy loss of a moving test-charge particle is studied in a degenerate quantized plasma, whose constituents are the electrons, positrons, and ions. The electrons and positrons are assumed to be quantized and degenerate species, whereas positive ions are treated classically. Relying on the kinetic formalism, an expression for the test-charge potential is derived with a modified dielectric response function involving the ion-acoustic oscillations. The energy loss or stopping power is solved as a function of a test-chargespeed, which is significantly affected by the positron concentration, the electron and positron quantization factors and plasma parameters. It is examined that quantization and quantum parameters lead to the enhancement of energy loss in an electron-positron-ion (EPI) dense plasma. The present findings may prove useful to understand the test-charge response in degenerate dense plasmas, where electrons and positrons are quantized in the strong magnetic fields.

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Section: Introductionmentioning

confidence: 99%

The energy dissipation of a test-charge particle within a dense, degenerate electron- positron-ion plasma

Ali,

Hafeez,

Khan

2024

Phys. Scr.

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“…[5][6][7][8][9][10][11][12] Generally, DA and/or dust-ion-acoustic (DIA) solitary waves have been studied utilizing Maxwellian and non-Maxwellian distribution functions. [13][14][15][16][17][18][19] Indeed, it is by now shown that the presence of non-Maxwellian (nonthermal, suprathermal, trapped, nonextensive, etc.) particles modifies nonlinear solitary wave proprieties.…”

Section: Introductionmentioning

confidence: 99%

Effect of Tsallis–Gurevich distributed ions on nonlinear dust‐acoustic oscillations in collisionless nonextensive plasma

Benaiche

Bacha

Merriche

et al. 2023

Contributions to Plasma Physics

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Both linear and weakly nonlinear dust‐acoustic (DA) solitons propagation are revisited in the presence of adiabatically trapped‐nonextensive ions. A physically relevant distribution (called Tsallis‐Gurevich ions distribution) is outlined here for the first time. The effect of particle trapping has been taken into account, resulting in a new expression for the ion density. The role a background ion nonextensivity may play on the main proprieties (viz., dispersion relation and soliton's profile) of DA mode, inherent to space dusty plasma, is then analysed. In the q > 1 case, we have shown that as the nonextensive character of trapped ions increases in the plasma, the potential pulse amplitude increases while its width is narrowed. The modifications prompted by the presence of adiabatically trapped‐nonextensive ions on both DA energy and solitary wave's electric field are also analysed. Interestingly, we have found that DA soliton energy increases as the ions evolve far away from their Maxwellian extensive trapping. Also, it is found that, for q > 1, the stronger the inter‐ions correlation, the stronger the electric field. Our investigation, motivated by space and laboratory plasma observations of plasmas containing non‐Maxwellian particles alongside trapped particles, may complement and provide new insight into previously published works dealing with solitary waves in plasma.

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“…It was shown by Henning et al [33] that the two electron population found in the Saturnian magnetosphere with superthermal features significantly modifies the propagation characteristics of electron Bernstein waves. Many researchers have employed kappa distributed charged species to investigate their effect on the propagation characteristics of nonlinear excitations in different types of plasma environments [34][35][36].…”

Section: Introductionmentioning

confidence: 99%

Interaction of Gardner solitons in plasmas: applications in the Saturn’s magnetosphere

Nawaz¹,

Masood²,

Jahangir³

et al. 2021

Phys. Scr.

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Multi-soliton solutions of the Gardner equation (GE) have been obtained using the Hirota’s bilinear formalism and, to the best of our knowledge, have been studied in the context of plasmas for the first time. The results have been used to study the electrostatic waves on the ion time scale in a two-electron temperature (TET) kappa distributed plasma in the light of the data obtained from Saturn’s Magnetosphere. The most important result that has come out of the investigation of multi-soliton solution of GE is that both overtaking and head on interactions may occur owing to the simultaneous presence of quadratic and cubic nonlinearities in the GE. The plasma parameters of the system have been found to influence the spatial scale of interaction. The results of kappa distributed plasma have been compared with the Maxwellian case and the key differences with regard to the parametric regimes for the existence of ion acoustic Gardner solitons and the soliton interaction for the two cases have also been explored in detail.

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Electrostatic shock structures in magnetorotating relativistic plasmas with non-Maxwellian electrons

Cited by 12 publications

References 46 publications

The energy dissipation of a test-charge particle within a dense, degenerate electron- positron-ion plasma

The energy dissipation of a test-charge particle within a dense, degenerate electron- positron-ion plasma

Effect of Tsallis–Gurevich distributed ions on nonlinear dust‐acoustic oscillations in collisionless nonextensive plasma

Interaction of Gardner solitons in plasmas: applications in the Saturn’s magnetosphere

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