搜索结果: 1-15 共查到“等离子体物理学 electron”相关记录18条 . 查询时间(0.203 秒)
Hot Electron and Pair Production from the Texas Petawatt Laser Irradiating Thick Gold Targets
Hot Electron Pair Production the Texas Petawatt Laser Thick Gold Targets Plasma Physics
2012/5/29
We present data from electron-positron pair production by an ultra-intense laser incident on solid Au targets with thickness between 1 and 4 mm. The experiment was performed at the Texas Petawatt Lase...
Fast-ignition design transport studies: realistic electron source, integrated PIC-hydrodynamics, imposed magnetic fields
Fast-ignition design transport realistic electron source integrated PIC-hydrodynamics imposed magnetic fields
2012/5/29
Transport modeling of idealized, cone-guided fast ignition targets indicates the severe challenge posed by fast-electron source divergence. The hybrid particle-in-cell [PIC] code Zuma is run in tandem...
Electron-Dominated Spontaneous Bifurcation of Harris Equilibrium
Electron-Dominated Spontaneous Bifurcation Harris Equilibrium Plasma Physics
2012/5/29
In this letter the spontaneous bifurcation of Harris equilibrium current sheet is reported. The collisionless current bifurcation is simulated by a 2D particle-in-cell approach. Explicit particle adva...
Microinstabilities at perpendicular collisionless shocks: A comparison of full particle simulations with different ion to electron mass ratio
Microinstabilities perpendicular collisionless shocks comparison of full particle simulations electron mass ratio Plasma Physics
2012/4/24
A full particle simulation study is carried out for studying microinstabilities generated at the shock front of perpendicular collisionless shocks. The structure and dynamics of shock waves are determ...
Electron-acoustic solitary waves in the presence of a suprathermal electron component
Electron-acoustic solitary waves suprathermal electron component
2011/8/18
Abstract: The nonlinear dynamics of electron-acoustic localized structures in a collisionless and unmagnetized plasma consisting of "cool" inertial electrons, "hot" electrons having a kappa distributi...
Subtlety in the Use of Maxwell's Equation and a New Electromagnetic Wave in Electron Plasmas
Subtlety Maxwell's Equation New Electromagnetic Wave Electron Plasmas
2011/8/5
Abstract: The ambiguity involved in the use of Maxwell's equation particularly in electron plasmas is discussed. It is pointed out that in the slow time scale perturbations the displacement current is...
Excitation of plasmons in two-dimensional electron gas with defects by microwaves: Wake-field method
plasmons two-dimensional electron gas microwaves Wake-field method
2011/8/17
Abstract: We develop an analytical method to find plasmons generated by microwaves in a two-dimensional electron gas with defects. The excitations are expressed in terms of the wake field of a charged...
Comment on "Interaction of two solitary waves in quantum electron-positron-ion plasma" [Phys. Plasmas \textbf{18}, 052301 (2011)]
two solitary waves quantum electron-positron-ion plasma
2011/8/4
Abstract: Recently, Yan-Xia Xu, et al. in the article Ref. [Phys. Plasmas \textbf{18}, 052301 (2011)] have studied the effects of various plasma parameters on interaction of two ion-acoustic solitary ...
Dust particle charge in plasma with ion flow and electron depletion
Complex plasma dust charging dust levitation RF discharge
2011/8/2
Abstract: The charge of micrometer-sized dust particles suspended in plasma above the powered electrode of radio-frequency (RF) discharges is studied. Using a self-consistent fluid model, the plasma p...
Assessment of hydrocarbon electron-impact ionization cross section measurements for magnetic fusion
electron-impact ionization cross section magnetic fusion
2011/9/9
Partial ionization cross section experiments have been carried out recently at the University of Innsbruck for three types of hydrocarbons, i.e. acetylene, ethylene and propene. Cross section data ts...
Charged Particle Motion in a Plasma: Electron-Ion Energy Partition
Charged Particle Motion Electron-Ion Energy Partition
2011/8/31
A fast charged particle traversing a plasma loses its energy to both the electrons and the ions in the plasma. We compute the energy partition, the fractions Ee/E0 and EI/E0 of the initial energy E0 o...
The advance in laser plasma acceleration techniques pushes the regime of the resulting accelerated particles to higher energies and intensities. In particular the upcoming experiments with the FLAME l...
Creating monoenergetic electron beams on a tabletop（图）
monoenergetic electron beams tabletop plasma wakefields
2006/12/19
13 December 2006，High-energy particles are mostly produced in vast conventional accelerators such as the 6.3-km-circumference Tevatron in the US. But while these costly edifices have undoubtedly led t...
Electron Density Measurements from Right-Hand Cutoff of ECE in the TCABR Tokamak
Electron Density Measurements Right-Hand ECE the TCABR Tokamak
2010/10/27
In tokamak machines with low toroidal magnetic fields and high plasma densities, the accessibility conditions impose restrictions to the detection of the Electron Cyclotron Emission ( ECE ). In these ...
Initial Electron Beam Polarization Measurement in e-g Collisions
Linear Collider Laser backscattering Beam polarization Simulation CLIC
2010/4/13
The future high energy e e colliders, together with the complementary g g option, will offer possibilities for both discovery and precision physics. The uncertainty on the initial beam polarizations c...