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The scattering of electromagnetic waves by an obstacle is analyzed through a set of partial differential equations combining the Maxwell's model with the mechanics of fluids. Solitary type EM waves, having compact support, may easily be…

计算物理 · 物理学 2018-03-28 Daniele Funaro , Eugene Kashdan

Hybrid Vlasov-Maxwell simulations are employed to investigate the role of kinetic effects in a two-dimensional turbulent multi-ion plasma, composed of protons, alpha particles and fluid electrons. In the typical conditions of the solar-wind…

We study the Brownian motion of a charged colloid, confined between two charged walls, for small separation between the colloid and the walls. The system is embedded in an ionic solution. The combined effect of electrostatic repulsion and…

软凝聚态物质 · 物理学 2021-04-28 Y. Avni , S. Komura , D. Andelman

Non-thermal electron populations are observed throughout the heliosphere. The relaxation of an electron beam is known to produce Langmuir waves which, in turn, may substantially modify the electron distribution function. As the Langmuir…

太阳与恒星天体物理 · 物理学 2015-06-12 Heather Ratcliffe , Nicolas H. Bian , Eduard P. Kontar

This paper analyzes a situation which is common for magnetized technical plasmas such as dc magnetron discharges and HiPIMS systems, where secondary electrons enter the plasma after being accelerated in the cathode fall and encounter a…

Statistical properties of a local fluctuational fluxes measured at the plasma edge are investigated in the work. It's shown that the amplitudes increments of the local fluctuational fluxes decrease by power law. For approximation of…

等离子体物理 · 物理学 2012-09-12 Viacheslav Saenko

In space and astrophysical plasmas, like in planetary magnetospheres, as that of Mercury,energetic electrons are often found near current sheets (CSs), which hints at electron acceleration by magnetic reconnection. Unfortunately, electron…

等离子体物理 · 物理学 2018-07-04 X. Zhou , J. Buechner , F. Widmer , P. A. Munoz

In this paper we propose to thoroughly investigate asymmetric nuclear collisions both in the fixed target mode at the laboratory energy below 5 GeV per nucleon and in the collider mode with a center of mass energy below 11 GeV per nucleon.…

核理论 · 物理学 2011-06-21 M. Bleicher , K. A. Bugaev , P. Rau , A. S. Sorin , J. Steinheimer , H. Stoecker

A theoretical model on the basis of fluid-Maxwell equations for an electron-ion plasma is presented which describes the conversion of current-driven Langmuir waves into type III radiation whereby simultaneously an excitation of whistler…

等离子体物理 · 物理学 2025-07-08 Konrad Sauer , Kaijun Liu

Transport properties of high-energy-density plasmas are influenced by the ion collision rate. Traditionally, this rate involves the Coulomb logarithm, $\ln\Lambda$. Typical values of $\ln\Lambda$ are $\approx 10~\mbox{to}~20$ in kinetic…

The collisionless dissipation of anisotropic Alfv\'enic turbulence is a promising candidate to solve the solar wind heating problem. Extensive studies examined the kinetic properties of Alfv\'en waves in simple Maxwellian or bi-Maxwellian…

太阳与恒星天体物理 · 物理学 2015-05-12 Yuguang Tong , Stuart D. Bale , Christopher H. K. Chen , Chadi S. Salem , Daniel Verscharen

A computational fluid model is developed to study waves and instabilities. A new technique involving initial perturbations in configuration space have been implemented to excite the plasma waves; i.e. the perturbations acting similar to a…

等离子体物理 · 物理学 2007-05-23 H. Hakimi Pajouh , M. R. Rouhani , H. Abbasi , F. Kazeminejad , S. Rouhani

Plasma-impurity reaction rates are a crucial part of modelling tokamak scrape-off layer (SOL) plasmas. To avoid calculating the full set of rates for the large number of important processes involved, a set of effective rates are typically…

等离子体物理 · 物理学 2024-10-02 Dominic Power , Stefan Mijin , Kevin Verhaegh , Fulvio Militello , Robert J. Kingham

For short wavelengths, it is well known that the linearized Wigner-Moyal equation predicts wave damping due to wave-particle interaction, where the resonant velocity shifted from the phase velocity by a velocity $v_q = \hbar k/2m$. Here…

等离子体物理 · 物理学 2017-11-15 Gert Brodin , Robin Ekman , Jens Zamanian

The operational space and global performance of plasmas with edge-localized modes (ELMs) suppressed by resonant magnetic perturbations (RMPs) are surveyed by comparing AUG, DIII-D, EAST, and KSTAR stationary operating points. RMP-ELM…

We consider the one-dimensional ions dynamics in weakly collisional plasmas governed by the Vlasov-Poisson-Landau system under the Boltzmann relation with the small collision frequency $\nu>0$. It is observed in physical experiments that…

偏微分方程分析 · 数学 2025-07-01 Renjun Duan , Zongguang Li , Dongcheng Yang , Tong Yang

Particles moving inside a fluid near, and interacting with, invariant manifolds is a common phenomenon in a wide variety of applications. One elementary question is whether we can determine once a particle has entered a neighbourhood of an…

动力系统 · 数学 2018-12-24 Christian Kuehn , Francesco Romano , Hendrik C. Kuhlmann

Ionic fluids under conductive confinement are central to technologies such as batteries, supercapacitors, and fuel cells. Their interfacial behavior governs energy storage and electrochemical processes. Despite their importance, the…

软凝聚态物质 · 物理学 2025-12-02 Philipp Stärk , Alexander Schlaich

We have considered an expansion of solutions of the non-linear equations for both longitudinal and transverse waves in collisionless Maxwellian plasma in series of non-damping overtones of the field E(x,t) and electron velocity distribution…

等离子体物理 · 物理学 2014-11-13 V. N. Soshnikov

We study the flow harmonic distribution in deformed nuclei. To do this, we use the standard Gram-Charlier method to find the higher-order correction to the well-known Bessel-Gaussian distribution. We find that, apart from the necessity of…

核理论 · 物理学 2023-01-20 Hadi Mehrabpour , S. M. A. Tabatabaee