Results 261 to 270 of about 95,813 (295)
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Oscillating plasma bubbles. II. Pulsed experiments

Physics of Plasmas, 2012
Time-dependent phenomena have been investigated in plasma bubbles which are created by inserting spherical grids into an ambient plasma and letting electrons and ions form a plasma of different parameters than the ambient one. There are no plasma sources inside the bubble. The grid bias controls the particle flux. There are sheaths on both sides of the
R. L. Stenzel, J. M. Urrutia
openaire   +1 more source

Plasma Bubble in an RF Reactor

IEEE Transactions on Plasma Science, 2008
A pronounced local enhancement of the argon plasma of the capacitively coupled reactor PULVA-INP is generated by applying an additional RF voltage at the central pixel (CP) of its adaptive electrode. This enhancement is observed by a large increase of the light-emission intensity.
F. Sigeneger   +3 more
openaire   +1 more source

Scalings for radiation from plasma bubbles

Physics of Plasmas, 2010
In this paper, electron trajectories are studied analytically in the rest frame of a plasma bubble using nonevolving, linear, radial electric and azimuthal magnetic fields in a spherical structure. The electron motion is broken into two distinct periods; one where it orbits around the periphery to the rear of the bubble, and one where it performs ...
openaire   +1 more source

Microwave excitation of submerged plasma bubbles

Journal of Physics D: Applied Physics, 2012
Abstract Steady-state models were formulated for spherical plasma bubbles, excited in water by an external microwave radiation source. The bubbles were assumed to be at rest relative to the surrounding water, and the energy absorbed by the plasma was balanced by energy loss through thermal conductance and convection to the surrounding ...
E Gidalevich, R L Boxman
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Tonks-Dattner resonances in a quantum plasma bubble

Physical Review E, 2016
We establish the spectrum of Tonks-Dattner mode resonances in a quantum plasma bubble and consider the spectral changes associated with plasma quenching and plasma expansion. The quantum corrections associated with the mode spectrum are specified, which can be used as a diagnostic tool to identify the quantum regime.
J. T. Mendonça, A. Serbeto
openaire   +3 more sources

Equatorial F-Region Plasma Bubbles Studies

5th International Congress of the Brazilian Geophysical Society, 1997
Equatorial ionospheric plasma bubbles associated with equatorial range-type spread F, are regions where the plasma densities are much lower than the ambient plasma density and are aligned along the earth's magnetic field lines . The plasma bubbles can be observed by both the radio wave (e.g. ionosonde, radar, scintillation etc.) and optical techniques (
openaire   +1 more source

Circulating tumor DNA in advanced solid tumors: Clinical relevance and future directions

Ca-A Cancer Journal for Clinicians, 2021
Michael L Cheng   +2 more
exaly  

Modeling Plasma Bubble Occurrence with growin

Proceedings of the XXXVth URSI General Assembly and Scientific Symposium – GASS 2023, 2023
Jonathon Smith   +2 more
openaire   +1 more source

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