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plasma density fluctuations

The deteriorating effect of plasma density fluctuations on microwave beam quality

The deteriorating effect of plasma density fluctuations on microwave beam quality

... of plasma density fluctuations on the efficiency of NTM stabilization in ITER has been high- lighted ...the density fluctuations, their effect cannot be accounted for by tools based on ...

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Perturbing microwave beams by plasma density fluctuations

Perturbing microwave beams by plasma density fluctuations

... the density structures, they are elongated along the magnetic field ...the density structures are assumed to not vary and are thus simply ex- tended along the magnetic ...electron density filamentary ...

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RAPPORTI TECNICI 1990

RAPPORTI TECNICI 1990

... Plasma Density Fluctuations During the Lower Hybrid Current Drive Experiment on ASDEX.. RT/NUCL/92/06e E.[r] ...

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Direct observation of plasma waves and dynamics induced by laser-accelerated electron beams

Direct observation of plasma waves and dynamics induced by laser-accelerated electron beams

... the density in the first jet ...one plasma wave, always accompanied by a ...the plasma wave, starting after a few hundred femtoseconds, and it persists at least out to 50 ps, as confirmed by varying ...

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Density of Vacuum Like Plasma and Hubble Constant

Density of Vacuum Like Plasma and Hubble Constant

... electron-positron plasma is proposed and re- ...of plasma particles and the cosmological constant are ...vacuum-like plasma are ...such plasma is nine times less than for the free ...energy ...

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Raman gain against a background of non-thermal ion fluctuations in a plasma

Raman gain against a background of non-thermal ion fluctuations in a plasma

... We have determined the net gain of Raman-generated waves due to five-wave SRS–LD and SRS–ED interactions when a finite level of ion waves is present in an inhomogeneous plasma. Modest ion fluctuation levels have a ...

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Measurement of the matched spot size in a capillary discharge waveguide with a collimated laser

Measurement of the matched spot size in a capillary discharge waveguide with a collimated laser

... The plasma channel only exists around the electric current peak, which could be recognized from the measured laser ...electron density continued to rise (200 ns and 900 ns), the light was separated into a ...

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Intermittent Magnetic Fluctuations Associated with High-Temperature Bubbles in an ECR Plasma

Intermittent Magnetic Fluctuations Associated with High-Temperature Bubbles in an ECR Plasma

... A DLP, which was originally developed to measure angle-resolved ion saturation current, was used to measure the change of angle-resolved electron flux in the present experiment, and magnetic probes (MPs) were used to ...

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Quantum Analysis of a Modified Caldirola-Kanai Oscillator Model for Electromagnetic Fields in Time-Varying Plasma

Quantum Analysis of a Modified Caldirola-Kanai Oscillator Model for Electromagnetic Fields in Time-Varying Plasma

... One of the main factors responsible for the complexity of media is the time dependence of electromagnetic parameters, such as permittivity, permeability, and conductivity. In case that at least one of these three ...

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Perturbation of the cathode Sheath
Characteristics by ALO Dust Particles in
magnetized Plasma

Perturbation of the cathode Sheath Characteristics by ALO Dust Particles in magnetized Plasma

... air plasma in the present of ALO dust particle observed experimentally decrease of discharge current and increase of voltage ...of plasma parameters (namely electron density, electron temperature, ...

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Long Range Temperature Fluctuation in LHD

Long Range Temperature Fluctuation in LHD

... the plasma edge region, propagates inward at a speed that is 10-50 times faster than that expected from diffusive transport mod- ...of plasma and is a generic characteristic of plasmas. In plasma ...

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Power spectral density of velocity fluctuations estimated from phase Doppler data

Power spectral density of velocity fluctuations estimated from phase Doppler data

... spectral density (PSD) of velocity fluctuations, is a non trivial task due to non- equidistant data sampling in ...seeding density and other factors of the flow and LDA ...velocity ...

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Review of Helicon High-Density Plasma: Production Mechanism and Plasma/Wave Characteristics

Review of Helicon High-Density Plasma: Production Mechanism and Plasma/Wave Characteristics

... different plasma densities, as expected from the dispersion relation ...the plasma has a nonlinear dependence on the electron ...state plasma den- sities are determined at the intersections of the two ...

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Linear Gyrokinetic Analyses of ITG Modes and Zonal Flows in LHD with High Ion Temperature

Linear Gyrokinetic Analyses of ITG Modes and Zonal Flows in LHD with High Ion Temperature

... observed density fluctuations, we perform linear gyrokinetic simulations in the equilibrium magnetic field corresponding to the LHD discharge by using the GKV-X code [12] and compare the simulation results ...

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A recruitment forecasting model for the Pacific stock of the Japanese sardine (Sardinops melanostictus) that does not assume density dependent effects

A recruitment forecasting model for the Pacific stock of the Japanese sardine (Sardinops melanostictus) that does not assume density dependent effects

... explaining fluctuations in sar- dine stock ...zooplankton density, intra-species competition, and density-dependent ...of density-dependent effects as well as environmental factors and fishing ...

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Theoretical and Experimental Studies of 35 GHz
 and 96 GHz
 Electromagnetic Wave Propagation in Plasma

Theoretical and Experimental Studies of 35 GHz and 96 GHz Electromagnetic Wave Propagation in Plasma

... a plasma sheath is formed. The plasma sheath severely affects the propagation of the incident electromagnetic (EM) wave and causes severe EM wave attenuation, which results in the communication failures ...

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Diffusion of noninteracting particles into a semi infinite lattice

Diffusion of noninteracting particles into a semi infinite lattice

... Consider a gas of noninteracting particles diffusing into a semi-infinite lattice, Z+×ZD−1, subject to exclusion of double occupancy. An exact closed set of equations can be obtained and solved (in closed form) for the ...

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FDTD Study on Scattering for Conducting Target Coated with Magnetized Plasma of Time-Varying Parabolic Density Distribution

FDTD Study on Scattering for Conducting Target Coated with Magnetized Plasma of Time-Varying Parabolic Density Distribution

... magnetized plasma are derived. Parabolic and Time- varying parabolic density profiles of plasma are assumed in this ...cloaking plasma can successfully reduce the bistatic RCS, the ...

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Simulation of small size divertor tokamak plasma edge at low density of plasma

Simulation of small size divertor tokamak plasma edge at low density of plasma

... low density plasma edge of small size divertor tokamak has been modeling by ...low density plasma is necessary and important con- dition for it to form; 2) Reduction of plasma ...

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Effect of Inhomogeneous Plasma Density on the Reflectivity in One Dimensional Plasma Photonic Crystal

Effect of Inhomogeneous Plasma Density on the Reflectivity in One Dimensional Plasma Photonic Crystal

... the plasma frequency can propagate through ...than plasma frequency is get ...periodic plasma is studied by Kuo and Faith [1, 2]. The concept of plasma photonic crystals (PPCs) was given by ...

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