Global ETD Search
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Showing 1 to 9 of 9 for “"Two Stream Instability"”.
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Modeling of a compact terahertz source based on the two-stream instability.
… based on a well-known phenomenon called the two-stream instability. The two-beam source relies on low-energy and low-current electron beams for operation. Also, it is compact, simple in design, and does not contain expensive parts that require complex machining and precise alignment. In this …
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Confinement of Non-neutral Plasmas in Stellarator Magnetic Surfaces
… have been performed to determine whether a two stream instability affects confinement in CNT. Results indicate that the improvement is not caused by reducing a two stream instability. Instead, the improvement is a result of altering the sheath of the emitting filament which allows the plasma …
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Electrostatic oscillations in inhomogeneous plasmas
… effects of collisions on the growth rate of the two-stream instability. The method is capable of treating arbitrary wavelengths, but works best for small degrees of inhomogeneity. Results of the work show that the usual practice in the long-wavelength regime of dropping the stationary electric …
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An experimental investigation of the Buneman instability
… for the development of the electron-ion two stream instability. Rapid decay of the plasma current, concurrent turbulent electron heating and an anomalously high electron-ion collision frequency are also observed. However, the Buneman frequency is not observed. Following the collapse of …
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The radiation mechanism of fast radio bursts
… mean that the emission process must be coherent. Two general classes of coherent radiation mechanisms are considered - maser and the antenna mechanism. We use the observed properties of the repeater FRB 121102 to constrain the plasma conditions needed for these two mechanisms. We have looked into …
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Covariant thermodynamics & relativity
… thermodynamic interpretation associated with a two-fluid system whose constituents are matter and entropy. The dynamics of this model leads to a relativistic generalisation of the Cattaneo equation; the constitutive relation for causal heat transport. A comparison with the Israel and Stewart …
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Continuum Kinetic Simulations of Plasma Sheaths and Instabilities
… and nonlinear saturation of the kinetic Weibel instability, including its role in plasma sheaths. The continuum kinetic algorithm has been shown to compare well with theoretical predictions of Landau damping of Langmuir waves and the two-stream instability. Benchmarks are also performed using …
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Study of Narrow-Band Spectral Characteristics of Stimulated Electromagnetic Emission (SEE) During Second Electron Gyro-Harmonic Heating
… The experimental observations typically show two distinct types of secondary radiation spectra which are a) discrete narrowband harmonic spectral structures ordered by the ion gyro-frequency, so-called stimulated ion Bernstein Scatter (SIBS) and, b) broadband spectral structure with center …
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Analysis of wave-particle interactions in a beam plasma system
… on 2012-04-19T21:35:39Z No. of bitstreams: 1 1974_winske.pdf: 5484975 bytes, checksum: 7a34a5388d0ccccc4a5eb68ad137fc0e (MD5)