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Electromagnetic (EM) waves/disturbances are typically the best means to understand and analyze an ionized medium like plasma. However, the propagation of electromagnetic waves with frequency lower than the plasma frequency is prohibited by…

等离子体物理 · 物理学 2020-02-25 Sharad Kumar Yadav , Ratan Kumar Bera , Deepa Verma , Amita Das , Predhiman Kaw

The microphysical, kinetic properties of astrophysical plasmas near accreting compact objects are still poorly understood. For instance, in modern general-relativistic magnetohydrodynamic simulations, the relation between the temperature of…

高能天体物理现象 · 物理学 2023-03-08 Claudio Meringolo , Alejandro Cruz-Osorio , Luciano Rezzolla , Sergio Servidio

This paper extends our earlier work on the acceleration of low-energy electrons by plasma turbulence to include the effects of finite temperature of the plasma. We consider the resonant interaction of thermal electrons with the whole…

天体物理学 · 物理学 2009-10-30 Julia Pryadko , Vahe Petrosian

A specific set of dimensionless plasma and turbulence parameters is introduced to characterize the nature of turbulence and its dissipation in weakly collisional space and astrophysical plasmas. Key considerations are discussed for the…

太阳与恒星天体物理 · 物理学 2024-04-18 Gregory G. Howes

We have compiled a set of electron-impact multiple ionization (EIMI) cross sections for astrophysically relevant ions. EIMI can have a significant effect on the ionization balance of non-equilibrium plasmas. For example, it can be important…

天体物理仪器与方法 · 物理学 2017-12-06 Michael Hahn , Alfred Mueller , Daniel Wolf Savin

The nonextensive parameter for nonequilibrium electron gas in a magnetic field of plasma is studied. We exactly obtained an expression of the q-parameter based on Boltzmann kinetic theories for plasmas, where Coulombian interactions and…

等离子体物理 · 物理学 2014-08-13 Yu Haining , Du Jiulin

Thermal instability in an electron-ion magnetized plasma, which is relevant in the intragalactic medium (IGM) of galaxy clusters, solar corona, and other two-component plasma objects is investigated. We apply the multicomponent plasma…

星系天体物理 · 物理学 2015-05-28 Anatoly K. Nekrasov

A non-equilibrium plasma was studied using classical electrodynamic field theory. Non-linear interaction terms contribute to a finite lifetime for the dressed electrodynamic field. The lifetime exhibits a $\sim n^{-1} T_{e}^{3/2}…

等离子体物理 · 物理学 2007-05-23 Shirish M. Chitanvis

Electromagnetic waves undergo modifications as they propagate through plasma. We present EMPI (ElectroMagnetic-wave Plasma Interaction), a three-dimensional numerical framework designed to simulate the interaction between radio signals and…

高能天体物理现象 · 物理学 2025-06-04 Nan Xu , He Gao , Yuan-Pei Yang , Bing Zhang , Wei-Yang Wang , Tian-Cong Wang , Ran Gao

A model has been proposed for estimation of plasma parameters of explosive electron emission pulses in vacuum arc discharge. It based on transition through the critical state during the explosion and allow to predict the cathode spot plasma…

等离子体物理 · 物理学 2020-10-26 M. M. Tsventoukh

The effect of electron temperature on the space-time evolution of nonlinear plasma oscillations in an inhomogeneous plasma is studied using a one-dimensional particle-in-cell (PIC) code. In contrast to the conventional wisdom, it is found…

等离子体物理 · 物理学 2021-02-24 Nidhi Rathee , Arghya Mukherjee , R. M. G. M. Trines , Sudip Sengupta

Optical Emission Spectroscopy is a widely used technique for plasma diagnosis, with particular interest in hydrogen atomic emission due to its prevalence in plasmas. However, accurately determining plasma parameters like electron density,…

等离子体物理 · 物理学 2025-01-22 A. Sarsa , A. Jiménez-Solano , M. S. Dimitrijević , C. Yubero

Following requirements of the plasma processing industry for increasing throughput, capacitively coupled plasma reactors with large area electrodes driving by very high frequency sources have been proposed. However, such reactors with…

等离子体物理 · 物理学 2015-10-13 D. Eremin

Electromagnetic fundamental and harmonic emission is ubiquitously observed throughout the heliosphere, and in particular it is commonly associated with the occurrence of Type II and III solar radio bursts. Classical analytic calculations…

太阳与恒星天体物理 · 物理学 2024-02-20 Fabio Bacchini , Alexander A. Philippov

External matching networks are crucial and necessary for operating capacitively coupled plasmas in order to maximize the absorbed power. Experiments show that external circuits in general heavily interact with the plasma in a nonlinear way.…

等离子体物理 · 物理学 2018-11-15 Frederik Schmidt , Thomas Mussenbrock , Jan Trieschmann

The advancement of millimeter wave and terahertz technologies have revolutionized high speed wireless networks and precise tracking systems. These technologies offer unique penetration capabilities in specific scenarios, significantly…

等离子体物理 · 物理学 2023-11-15 Wenbo Liu , Peian Li , Guohao Liu , Jianjun Ma , Houjun Sun

The dispersion characteristics of an circularly polarized electromagnetic wave of arbitrary amplitude, propagating in a highly (thermally and kinematically) relativistic plasma, are shown to approach those of a linear wave in an…

等离子体物理 · 物理学 2018-07-17 Swadesh Mahajan , Manasvi Lingam

We compute the real and imaginary parts of the electric permittivities and magnetic permeabilities for relativistic electrons from quantum electrodynamics at finite temperature and density. A semiclassical approximation establishes the…

量子物理 · 物理学 2018-03-14 C. A. A. de Carvalho

Examination of equilibrium radiation in plasma media shows that the spectral energy distribution of such radiation is different from the Planck equilibrium radiation. Using the approach of quantum electrodynamics the general relation for…

等离子体物理 · 物理学 2020-06-24 Sergey A. Trigger

The quantum diffraction and symmetry effects on the entanglement fidelity (EF) of different elastic electron-electron, ion-ion and electron-ion interactions are investigated in non-ideal dense plasma. The partial wave analysis and an…

等离子体物理 · 物理学 2019-08-19 Ramin Roozehdar Mogaddam , Nasser Sepehri Javan , Kurosh Javidan , Hosein Mohammadzadeh
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