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The high cadence plasma, electric, and magnetic field measurements by the Magnetospheric MultiScale spacecraft allow us to explore the near-Earth space plasma with an unprecedented time and spatial resolution, resolving electron-scale…

Two decades after the invention of chirped pulse amplification the physical mechanism of collisionless absorption of intense laser radiation in overdense matter is still not sufficiently well understood. We show that anharmonic resonance in…

Plasma Physics · Physics 2008-05-14 P. Mulser , D. Bauer , H. Ruhl

In a two-ion-species plasma with disparate ion masses, heavy ions tend to concentrate in the low-temperature region of collisionally magnetized plasma and in the high-temperature region of collisionally unmagnetized plasma, respectively.…

Plasma Physics · Physics 2021-06-10 M. E. Mlodik , E. J. Kolmes , I. E. Ochs , N. J. Fisch

By performing an ensemble of molecular dynamics simulations, the model-dependent ionisation state is computed for strongly interacting systems self-consistently. This is accomplished through a free energy minimisation framework based on the…

It is shown that plasma-based optics can be used to guide and focus highly divergent laser-generated ion beams. A hollow cylinder is considered, which initially contains a hot electron population. Plasma streaming toward the cylinder axis…

Plasma Physics · Physics 2009-11-11 S. Gordienko , T. Baeva , A. Pukhov

The classical two-dimensional one-component plasma is an exactly solvable model, at some special temperature, even when the one-body potential acting on the particles has a quadrupolar term. As a supplement to a recent work of Di Francesco,…

Condensed Matter · Physics 2015-06-25 P. J. Forrester , B. Jancovici

A ray-theoretic phase space description of linear waves in a two-fluid (charges and neutrals) magnetized plasma is used to calculate analytic decay rates and mode transmission and conversion coefficients between fast and slow waves in two…

Solar and Stellar Astrophysics · Physics 2023-04-12 Paul S Cally , M. M. Gomez-Miguez

Electromagnetic waves propagating in a layered superconductor with arbitrary momentum with respect to the main crystallographic directions display an unavoidable mixing between longitudinal and transverse degrees of freedom. Here we show…

Superconductivity · Physics 2024-06-14 Niccolò Sellati , Jacopo Fiore , Claudio Castellani , Lara Benfatto

We study ionization and transport processes in partially ionized multicomponent plasmas. The plasma composition is calculated via a system of coupled mass action laws. The electronic transport properties are determined by the electron-ion…

To achieve high focal spot intensities in heavy ion fusion, the ion beam must be compressed longitudinally by factors of ten to one hundred before it is focused onto the target. The longitudinal compression is achieved by imposing an…

Accelerator Physics · Physics 2009-11-10 Edward A. Startsev , Ronald C. Davidson

Compressible flows around blunt objects have diverse applications, but present analytic treatments are inaccurate and limited to narrow parameter regimes. We show that the flow in front of an axisymmetric body is accurately derived…

Instrumentation and Methods for Astrophysics · Physics 2016-11-22 Uri Keshet , Yossi Naor

Two scenarios of possible ion heating due to finite amplitude parallel propagating Alfv\'en waves in the solar atmosphere are investigated using a 1D test particle approach. 1. An finite amplitude Alfv\'en wave is instantly introduced into…

Astrophysics · Physics 2009-11-13 X. Li , Q. M. Lu , B. Li

In this paper, the central concern is to analyze the influence of the forces that controls the ion dynamics inside a magnetized plasma sheath under collisionless conditions. The ionization effects are considered within the sheath. The…

Plasma Physics · Physics 2022-05-16 S. Adhikari , R. Moulick , K. S. Goswami

A fundamental two-fluid model for describing dynamics of a plasma is the Euler-Poisson system, in which compressible ion and electron fluids interact with their self-consistent electrostatic force. Global smooth electron dynamics were…

Mathematical Physics · Physics 2015-05-18 Yan Guo , Benoit Pausader

Magnetic reconnection is a leading mechanism for magnetic energy conversion and high-energy non-thermal particle production in a variety of high-energy astrophysical objects, including ones with relativistic ion-electron plasmas (e.g.,…

High Energy Astrophysical Phenomena · Physics 2014-11-05 Mickaël Melzani , Rolf Walder , Doris Folini , Christophe Winisdoerffer , Jean M. Favre

Analytical studies of light bending in a dispersive medium near compact objects, e.g., black holes or neutron stars, are most challenged by a suitable definition of the medium. The most realistic model would be a hot magnetized plasma. In…

General Relativity and Quantum Cosmology · Physics 2025-12-11 Barbora Bezděková , Volker Perlick

Collective effects, such as waves and instabilities, are integral to our understanding of most plasma phenomena. We have been able to study these in ultracold neutral plasmas by shaping the initial density distribution through spatial…

Plasma Physics · Physics 2015-06-03 P. McQuillen , J. Castro , T. C. Killian

The dynamical evolution of hot optically thin plasmas in the ISM crucially depends on the heating and cooling processes. It is essential to realize that all physical processes that contribute operate on different time scales. In particular…

Astrophysics · Physics 2009-11-07 Dieter Breitschwerdt

An exact analytic solution is obtained for a uniformly expanding, neutral, infinitely conducting plasma sphere in an external dipole magnetic field. The electrodynamical aspects related to the radiation and transformation of energy were…

Plasma Physics · Physics 2009-11-11 H. B. Nersisyan , D. A. Osipyan

Magnetic reconnection and associated heating of ions and electrons in strongly magnetised, weakly collisional plasmas are studied by means of gyrokinetic simulations. It is shown that an appreciable amount of the released magnetic energy is…

Plasma Physics · Physics 2019-02-20 R. Numata , N. F. Loureiro