Nonlinear oscillations of dust‐acoustic waves in non‐Maxwellian dusty plasma under the gravitational force effect
Sign Up to like & getrecommendations! Published in 2024 at "Contributions to Plasma Physics"
DOI: 10.1002/ctpp.202300170
Abstract: In this paper, the role of dust grain's gravitational force on the nonlinear dust‐acoustic oscillations in non‐Maxwellian dusty plasma is analyzed. It is shown that increasing the number of non‐thermal ions causes the diminution of… read more here.
Keywords: non maxwellian; maxwellian dusty; dust acoustic; force ... See more keywords
Nonlinear ion-acoustic waves with Landau damping in non-Maxwellian space plasmas
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DOI: 10.1038/s41598-024-63773-7
Abstract: The dynamics of nonlinear ion-acoustic solitary waves in the presence of kinetic (Landau type) damping have been investigated in a collisionless, non-magnetized electron-ion plasma. A cold ion fluid model, coupled to a Vlasov-type kinetic equation… read more here.
Keywords: non maxwellian; landau damping; nonlinear ion; space ... See more keywords
Analyzing AZ-non-Maxwellian distributions in Earth’s magnetosphere: MMS observations
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DOI: 10.1038/s41598-024-74965-6
Abstract: A study of velocity distribution function in Earth’s magnetosphere is conducted using high-resolution measurements from the Magnetospheric Multiscale Spacecraft (MMS). The analysis focuses on the AZ-non-Maxwellian distribution that is a complex velocity-space structure, exhibiting a… read more here.
Keywords: non maxwellian; velocity distribution; distribution; space ... See more keywords
A generalized AZ-non-Maxwellian velocity distribution function for space plasmas
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Plasmas"
DOI: 10.1063/1.4977447
Abstract: A more generalized form of the non-Maxwellian distribution function, i.e., the AZ-distribution function is presented. Its fundamental properties are numerically observed by the variation of three parameters: α (rate of energetic particles on the shoulder),… read more here.
Keywords: distribution reduces; non maxwellian; velocity distribution; distribution function ... See more keywords
Effect of non-Maxwellian electrons on shear flow modified ion acoustic solitons
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DOI: 10.1063/1.4980175
Abstract: Dynamics of shear flow modified ion acoustic wave is investigated assuming electrons to follow q-nonextensive and Cairns distribution functions. A modified linear dispersion relation and electrostatic KdV solitons are analyzed. Results are illustrated considering solar… read more here.
Keywords: ion acoustic; shear flow; modified ion; flow modified ... See more keywords
Ion acoustic wave damping in a non-Maxwellian bi-ion electron plasma in the presence of dust
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Plasmas"
DOI: 10.1063/1.4995581
Abstract: In this work, we investigate the properties of ion acoustic waves generated by negative heavy ions in a multi-component non-Maxwellian electrostatic plasma, consisting of electrons, positive and negative heavy ions, and a background population of… read more here.
Keywords: acoustic wave; plasma; ion acoustic; ion ... See more keywords
Impact of collisions on the dust wake potential with Maxwellian and non-Maxwellian ions
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Plasmas"
DOI: 10.1063/1.5008898
Abstract: This work examines the formation of wake fields caused by ions streaming around a charged dust particle, using three-dimensional particle-in-cell simulations with charge-neutral collisions included. The influence of an external driving electric field, which leads… read more here.
Keywords: wake potential; maxwellian distribution; maxwellian non; maxwellian ions ... See more keywords
On the propagation and interaction of ion-acoustic solitary, periodic, shock, and breather waves in a non-Maxwellian electron–positron–ion magnetoplasma
Sign Up to like & getrecommendations! Published in 2023 at "Physics of Fluids"
DOI: 10.1063/5.0150737
Abstract: This investigation analyzes the propagation of nonlinear ion-acoustic waves (IAWs) in an unmagnetized, collisionless plasma composed of inertial positive ions and inertialess Maxwellian positrons as well as the inertialess non-Maxwellian electrons that obey (r, q)-distribution.… read more here.
Keywords: ion acoustic; electron positron; positron ion; non maxwellian ... See more keywords
Analysis of coupled acoustic and drift modes leading to modons in Maxwellian and non-Maxwellian dusty plasma
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DOI: 10.1063/5.0233816
Abstract: Linear and nonlinear acoustic and drift waves in a confined inhomogeneous dusty plasma are investigated here. We examine two distinct scenarios that correspond to slow and fast temporal dynamics. The dust particles are inert in… read more here.
Keywords: non maxwellian; drift; analysis; dusty plasma ... See more keywords
Computing the generalized plasma dispersion function for non-Maxwellian plasmas, with applications to Thomson scattering
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DOI: 10.1063/5.0261966
Abstract: Kinetic plasma studies often require computing integrals of the velocity distribution over a complex-valued pole. The standard method is to solve the integral in the complex plane using the Plemelj theorem, resulting in the standard… read more here.
Keywords: non maxwellian; plasmas; function; plasma dispersion ... See more keywords
Nonlinearity of dust density waves in the presence of streaming non-Maxwellian ions
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DOI: 10.1063/5.0263966
Abstract: This study explores nonlinear frequency shifts and amplitude saturation in dust density waves (DDWs) in the presence of streaming ions. The discrepancy between experimentally measured DDW frequencies and linear theory predictions is attributed to kinetic… read more here.
Keywords: non maxwellian; frequency; dust density; presence ... See more keywords