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相关论文: Charged State of a Spherical Plasma in Vacuum

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Conduction electrons in metallic nano-objects ($\rm 1\,nm = 10^{-9}\, m$) behave as mobile negative charges confined by a fixed positively-charged background, the atomic ions. In many respects, this electron gas displays typical plasma…

介观与纳米尺度物理 · 物理学 2019-06-20 Giovanni Manfredi , Paul-Antoine Hervieux , Jérôme Hurst

The spectrum of electromagnetic waves propagating in a strongly coupled magnetized fully ionized hydrogen plasma is found. The ion motion and damping being neglected, the influence of the Coulomb coupling on the electromagnetic spectrum is…

等离子体物理 · 物理学 2009-10-31 I. M. Tkachenko , J. Ortner , V. M. Rylyuk

We study stable axially and spherically symmetric spatial solitons in plasma with diatomic ions. The stability of a soliton against the collapse is provided by the interaction of induced electric dipole moments of ions with rapidly…

等离子体物理 · 物理学 2013-08-14 Maxim Dvornikov

Laser-driven Plasma Accelerators (LPA) have successfully generated high energy, high charge electron bunches which can reach many kA peak current, over short distances. Space charge issues, even in transport lines as simple as a drift…

加速器物理 · 物理学 2011-06-06 Anthony Ashmore , Riccardo Bartolini , Nicolas Delerue

Fluctuations of electric and magnetic fields in the collisionless plasma are found as a solution of the initial value linearized problem. The plasma initial state is on average stationary and homogeneous. When the state is stable, the…

等离子体物理 · 物理学 2008-01-07 Stanislaw Mrowczynski

The analytic equation of state of nonideal Coulomb plasmas consisting of pointlike ions immersed in a polarizable electron background (physics/9807042) is improved, and its applicability range is considerably extended. First, the fit of the…

天体物理学 · 物理学 2008-11-26 A. Y. Potekhin , G. Chabrier

An analysis of plasma density distributions at arbitrary ion-atom collisionality for one-dimensional axially symmetrical cylindrical and annular plasmas is presented. Perturbations of plasma densities caused by a cylindrical probe are…

等离子体物理 · 物理学 2023-11-08 Valery Godyak , Natalia Sternberg

The process of transition excitation of an electromagnetic field by a relativistic electron bunch in a plasma half-space is investigated. The influence of the plasma boundary on the spatial structure of plasma wake oscillations is studied.…

等离子体物理 · 物理学 2020-11-18 V. A. Balakirev , I. N. Onishchenko

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

We are interested in developing a numerical method for capturing stationary sheaths, that a plasma forms in contact with a metallic wall. This work is based on a bi-species (ion/electron) Vlasov-Amp{\`e}re model proposed in [3]. The main…

数值分析 · 数学 2018-02-19 Mehdi Badsi , Michel Mehrenberger , Laurent Navoret

We analyze the instability of an unpolarized uniform quantum plasma consisting of two oppositely charged fermionic components with varying mass ratios, against charge and spin density waves (CDWs and SDWs). Using density functional theory,…

强关联电子 · 物理学 2019-10-22 Zhaoyu Han , Shiwei Zhang , Xi Dai

We investigate the linear dynamics of an electromagnetic field propagating in curved spacetime in the presence of plasma. The dynamical equations are generically more involved and richer than the effective Proca equation adopted as a model…

广义相对论与量子宇宙学 · 物理学 2021-06-30 Enrico Cannizzaro , Andrea Caputo , Laura Sberna , Paolo Pani

The nonlinear propagation of low-frequency circularly polarized waves in a magnetized dusty plasma is analyzed. It is found that wave steepening and shock formation can take place due to the presence of nonlinear quantum vacuum effects,…

天体物理学 · 物理学 2008-11-26 M. Marklund , D. D. Tskhakaya , P. K. Shukla

The propagation of an electrostatic wave in a three-component e-p-I astrophysical quantum plasma in a rotating frame has been studied, taking into account the particle spin, Fermi pressure, and quantum Bohm potential. Spin polarization…

等离子体物理 · 物理学 2025-04-09 Atherv Saxena , Punit Kumar

We study minimum energy configurations of $N$ particles in $\R^3$ of charge -1 (`electrons') in the potential of $M$ particles of charges $Z_\alpha>0$ (`atomic nuclei'). In a suitable large-N limit, we determine the asymptotic electron…

经典分析与常微分方程 · 数学 2009-07-30 Stephane Capet , Gero Friesecke

Spin-polarised atomic ensembles probed by light based on the Faraday interaction are a versatile platform for numerous applications in quantum metrology and quantum information processing. Here we consider an ensemble of Alkali atoms that…

量子物理 · 物理学 2022-05-11 Alexander Roth , Klemens Hammerer , Kirill S. Tikhonov

We have studied stationary and quasi-stationary signal light pulses in cold lambda-type atomic media driven by counterpropagating control laser fields at the condition of electromagnetically induced transparency. By deriving a dispersion…

光学 · 物理学 2015-06-18 S. A. Moiseev , A. I. Sidorova , B. S. Ham

We study the electrophoretic mobility of spherical charged colloids in a low-salt suspension as a function of the colloidal concentration. Using an effective particle charge and a reduced screening parameter, we map the data for systems…

软凝聚态物质 · 物理学 2007-05-23 Vladimir Lobaskin , Burkhard Duenweg , Martin Medebach , Thomas Palberg , Christian Holm

A minority relativistic electron component can arise in both laboratory and naturally-occurring plasmas. In the presence of high-atomic-number ion species, the ion charge state distribution at low bulk electron temperature can be dominated…

We present long-time simulations of expanding ultracold neutral plasmas, including a full treatment of the strongly coupled ion dynamics. Thereby, the relaxation dynamics of the expanding laser-cooled plasma is studied, taking into account…

等离子体物理 · 物理学 2009-11-10 T. Pohl , T. Pattard , J. M. Rost