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Beltrami-like fields created by baroclinic effect in two-fluid plasmas
Beltrami-like fields two-fluid plasmas
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2011/9/9
A theory of two-dimensional plasma evolution with Beltrami-like flow and field due to baroclinic effect has been presented. Particular solution of the nonlinear two-fluid equations is obtained. This s...
Assessment of hydrocarbon electron-impact ionization cross section measurements for magnetic fusion
electron-impact ionization cross section magnetic fusion
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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...
Rarefaction Shock Waves in Collisionless Plasma with Electronic Beam
Collisionless plasma, Supersonic ion-acoustic rarefaction shock waves
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2011/9/9
We show that an electronic beam passing through the collisionless plasma of the ”cold” ions and the ”hot” Boltzmann electrons can give rise to the propagation of the supersonic ion-acoustic rarefactio...
Nonlinear Mirror Modes in Space Plasmas
mirror modes, temperature anisotropies, plasma microinstabilities, space plasmas
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2011/9/7
Since the first observations by Kaufmann et al. (1970), special attention has been paid to static pressure-balanced structures in the form of magnetic holes or humps observed in regions of the solar w...
Radiative diagnostics for sub-Larmor scale magnetic turbulence
Radiative diagnostics sub-Larmor scale magnetic turbulence
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2011/9/6
Radiative diagnostics of high-energy density plasmas is addressed in this paper. We propose that the radiation produced by energetic particles in small-scale magnetic field turbulence, which can occur...
Samll BGK waves and nonlinear Landau damping (higher dimensions)
Samll BGK waves nonlinear Landau damping
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2011/9/15
Consider Vlasov-Poisson system with a fixed ion background and periodic condition on the space variables, in any dimension d 2. First, we show that for general homogeneous equilibrium and any period...
Single shot phase contrast imaging using laser-produced Betatron x-ray beams
Betatron x-ray beams
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2011/9/5
Development of x-ray phase contrast imaging applications with a laboratory scale source have been limited by the long exposure time needed to obtain one image. We demonstrate, using the Betatron x-ray...
Comparison of hard x-ray production from various targets in air using a short pulse kHz laser with photon production from a high power multifilament laser beam from the same targets in air
multifilament short pulse kHz laser
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2011/9/5
Over the last few years there has been much interest in the production of hard X-rays from various targets using a kHz short pulse laser at intensities above 1014Wcm-2 (A). Most of these studies have ...
Controlled Betatron X-ray radiation from tunable optically injected electrons
Betatron X-ray radiation tunable optically injected electrons
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2011/9/5
The features of Betatron X-ray emission produced in a laser-plasma accelerator are closely linked to the properties of the relativistic electrons which are at the origin of the radiation. While in int...
Determination of Carrier-Envelope Phase of Relativistic Few-Cycle Laser Pulses by Thomson Backscattering Spectroscopy
Carrier-Envelope Phase ew-Cycle Laser Pulses Thomson Backscattering Spectroscopy
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2011/9/2
A novel method is proposed to determine the carrier-envelope phase (CEP) of a relativistic few-cycle laser pulse via the central frequency of the isolated light generated from Thomson backscattering (...
High-quality proton bunch from laser interaction with a gas-filled cone target
proton bunch laser interaction gas-filled cone target
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2011/9/2
Generation of high-energy proton bunch from interaction of an intense short circularly polarized(CP) laser pulse with a gas-filled cone target(GCT) is investigated using two-dimensional particle-in-ce...
A rst-principle study of di usion in a strongly coupled one-component plasma in a magnetic eld B is presented. As in a weakly coupled plasma, the di usion coecient perpendicular to the eld exhibit...
Diffusion and growth of metal clusters in nanocomposites: a Kinetic Monte Carlo study
metal clusters, bulk and surface diffusion, agglomeration, Kinetic Monte Carlo
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2011/9/2
Nobel metals that are deposited on a polymer surface exhibit surface diffusion and diffusion into the bulk. At the same time the metal atoms tend to form clusters because their cohesive energy is abou...
Dust-acoustic solitary waves in dusty plasma with variable dust charge
Dust-acoustic solitary waves dusty plasma with variable
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2011/9/2
In this article we are going to consider dust acoustic wave in dusty plasma whose constituents are inertial negative charged dust particles ,Boltzmann distributed electrons and non-thermal distributed...
The elementary local and global influence of geodesic field line curvature on radial dispersion of zonal modes in magnetised plasmas is analysed with a primitive drift wave turbulence model.A net radi...