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The linear electron acoustic waves propagating in plasmas with two kappa-distributed electrons and stationary ions are investigated. The temperatures of the two electrons are assumed to be the same, but the kappa indices are not. It shows…

Plasma Physics · Physics 2021-08-05 Ran Guo

This paper is devoted to investigate the cold plasma wave properties. The analysis has been restricted to the neighborhood of the pair production region of the Kerr magnetosphere. The Fourier analyzed general relativistic…

General Relativity and Quantum Cosmology · Physics 2010-11-03 M. Sharif , Umber Sheikh

In the proton counterflow model of a pulsar magnetosphere that we have recently proposed, non-relativistic protons are supplied from the magnetosphere to flow toward the pulsar surface and screen an electric field above the polar cap…

Astrophysics · Physics 2009-11-13 Katsuaki Asano , Fumio Takahara

Linearly polarized solitary waves, arising from the interaction of an intense laser pulse with a plasma, are investigated. New localized structures, in the form of exact \Changes{numerical} nonlinear solutions of the one-dimensional…

Plasma Physics · Physics 2015-03-11 G. Sánchez-Arriaga , E. Siminos , V. Saxena , I. Kourakis

The electric permittivities and magnetic permeabilities for a relativistic electron gas are calculated from quantum electrodynamics at finite temperature and density as functions of temperature, chemical potential, frequency, and…

Quantum Physics · Physics 2016-05-11 C. A. A. de Carvalho

A formulation for the parametric instability of electromagnetic (EM) waves in magnetized pair plasma is developed. The linear growth rate of induced Compton scattering is derived analytically for frequencies below the cyclotron frequency…

High Energy Astrophysical Phenomena · Physics 2025-03-14 Rei Nishiura , Shoma F. Kamijima , Masanori Iwamoto , Kunihito Ioka

The linear waves that propagate in a two fluid magnetised plasma allowing for a non-gyrotropic perturbed ion pressure tensor are investigated. For perpendicular propagation and perturbed fluid velocity a low frequency (magnetosonic) and a…

Plasma Physics · Physics 2023-07-12 Daniele Del Sarto , Francesco Pegoraro , Anna Tenerani

Plasma instabilities can be encountered in many branches of physics. This work focuses on relativistic plasmas with applications in theoretical astrophysics and particle accelerator physics. Even though these fields seem to be unrelated the…

High Energy Astrophysical Phenomena · Physics 2009-04-20 Bjoern S. Schmekel

The dispersion relation of kinetic Alfv\'en wave in inertial regime is studied in a three component non-degenerate streaming plasma. A lin- ear dispersion relation using fluid- Vlasov equation for quantum plasma is also derived. The quantum…

Plasma Physics · Physics 2016-08-02 N. Rubab , G. Jaffer

This paper is the first in a series devoted to the numerical study of nonlinear interactions of electromagnetic waves with plasma. We start with non-magnetized pair plasmas, where the primary processes are induced (Compton) scattering and…

High Energy Astrophysical Phenomena · Physics 2022-09-21 Arka Ghosh , Daniel Kagan , Uri Keshet , Yuri Lyubarsky

We study the propagation effects of radio waves in a pulsar magnetosphere, composed of relativistic electron-positron pair plasmas streaming along the magnetic field lines and corotating with the pulsar. We critically examine the various…

High Energy Astrophysical Phenomena · Physics 2015-05-14 Chen Wang , Dong Lai , JinLin Han

We investigate thermal instability in an electron-ion magnetized plasma relevant to galaxy clusters, solar corona, and other two-component astrophysical objects. We apply the multicomponent plasma approach when the dynamics of all the…

Astrophysics of Galaxies · Physics 2015-05-30 Anatoly K. Nekrasov

We investigate the response of a relativistic plasma to electromagnetic fields in the framework of the Boltzmann equation incorporating a collision term in the relaxation rate approximation selected in a form assuring current conservation.…

Plasma Physics · Physics 2022-01-05 Martin Formanek , Christopher Grayson , Johann Rafelski , Berndt Müller

A new nonlinear electromagnetic wave mode in a magnetized dusty plasma is predicted. Its existence depends on the interaction of an intense circularly polarized electromagnetic wave with a dusty plasma, where quantum electrodynamical…

Astrophysics · Physics 2008-11-26 M. Marklund , L. Stenflo , P. K. Shukla , G. Brodin

Magnetized high-energy-density plasmas can often have strong electromagnetic fluctuations whose correlation scale is smaller than the electron Larmor radius. Radiation from the electrons in such plasmas, which markedly differs from both…

Plasma Physics · Physics 2016-04-07 Brett D. Keenan , Mikhail V. Medvedev

Brownian dynamics simulations were carried out to study wave spectra of two-dimensional dusty plasma liquids and solids for a wide range of wavelengths. The existence of a longitudinal dust thermal mode was confirmed in simulations, and a…

Plasma Physics · Physics 2015-05-13 Lu-Jing Hou , Z. L. Mišković , Alexander Piel , Michael S. Murillo

Oblique propagation and head-on collisions of solitary structures is studied in a dense magnetized plasma comprised of relativistic ultra-cold electrons and positrons and positive dynamic ions using conventional extended multi-scales…

Solar and Stellar Astrophysics · Physics 2015-05-27 M. Akbari-Moghanjoughi

Ion-acoustic waves in a dusty plasma are investigated where it is assumed that the ions follow a Cairns distribution and the electrons are Boltzmann distributed. Two theoretical methods are applied: Sagdeev pseudopotential analysis (SPA)…

Plasma Physics · Physics 2025-08-06 Frank Verheest , Willy A. Hereman

The different forms of propagation of relativistic electron plasma wavepackets in terms of Airy functions are studied. It is shown that exact solutions can be constructed showing accelerated propagations along coordinates transverse to the…

Plasma Physics · Physics 2023-06-21 Maricarmen A. Winkler , Camilo Vásquez-Wilson , Felipe A. Asenjo

The nonlinear dynamics of pulses in a two-temperature collisionless plasma with formation of dispersion shock waves is studied. An analytical description is given for arbitrary form of an initial disturbance with smooth enough density…

Plasma Physics · Physics 2021-11-08 Sergey K. Ivanov , Anatoly M. Kamchatnov