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IEEE Transactions on Plasma Science

Issue 2 • Date June 1979

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  • Table of contents

    Publication Year: 1979, Page(s): c1
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  • IEEE Transactions on Plasma Science

    Publication Year: 1979, Page(s): c2
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  • Numerical Solution of the Two-Dimensional Vlasov Equation

    Publication Year: 1979, Page(s):69 - 72
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (879 KB)

    The two-dimensional Vlasov equation is solved by direct integration in phase space. Two problems, namely the nonlinear evolution of the two-dimensional electrostatic two-stream instability, and the nonlinear evolution of a monochromatic wave in a two-dimensional Vlasov plasma, are studied. Comparison with previously available results is given. View full abstract»

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  • Trajectories of Charged Particles in Radial Electric and Uniform Axial Magnetic Fields

    Publication Year: 1979, Page(s):72 - 80
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1579 KB)

    The trajectories of charged particles were determined over a wide range of parameters characterizing the motion in cylindrical low-pressure gaseous discharges and plasma-heating devices which have steady radial electric fields E perpendicular to uniform steady magnetic flelds B. Three radial distributions of E were considered: E ¿ r, constant E, and E ¿ r-1. These distributions are characteristi... View full abstract»

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  • Microsecond Microwave Radiation Bursts from a Relativistic Electron Beam Rotating in a Plasma

    Publication Year: 1979, Page(s):81 - 83
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (620 KB)

    Coherent curvature radiation from an intense relativistic electron beam rotating in a plasma yielded in the past [1] only very short bursts of microwave radiation. Here we report on extension of the microwave-burst duration to the full width of the beam pulse for two different electron beams: a) 1 MV, 50 kA, 110 ns b) 0.6 MW, 15 kA, 1 , ¿s. We show that the short bursts in the past resulted from ... View full abstract»

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  • Beam-Plasma Heating Model

    Publication Year: 1979, Page(s):83 - 93
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2259 KB)

    A one-dimensional ionization and heating model is applied to results of several electron-beam-plasma interaction experiments. Beam energy is deposited resistively in the plasma at a rate ¿j2, where j is the return current density and ¿ the plasma resistivity both classical and anomalous due to ion acoustic or e-e-mode turbulence. Principal energy losses include ionization, line radiation, inelas... View full abstract»

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  • Electron-Beam Measurements of the Magnetic Surfaces in the Proto-Cleo Torsatron

    Publication Year: 1979, Page(s):94 - 99
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1165 KB)

    The shape of the vacuum magnetic surfaces at a fixed toroidal angle in the Proto-Cleo torsatron was investigated by launching a beam of electrons along various magnetic-field lines. After completing a variable number of transits around the major axis, the beam was intercepted by a probe. The locations of the interception points for different numbers of toroidal transits trace out the minor cross s... View full abstract»

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  • Calculations of the Critical Levitron's Tilts

    Publication Year: 1979, Page(s):99 - 106
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1552 KB)

    The magnetic surfaces' equations and their rotational transforms are derived for the axisymmetric levitron. In the nonaxisymmetric levitron the magnetic island-contour equations are obtained and some of these island contours are plotted. The critical perturbations for the complete destruction of the ¿-and 2¿-resonances are calculated. The analytical results derived here are compared and shown to... View full abstract»

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  • A Note on Plasma Expansion into a Vacuum

    Publication Year: 1979, Page(s):107 - 108
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (394 KB)

    The expansion of a nonneutral plasma into a vacuum is calculated. The plasma is described with the equations of continuity and motion for the ions, and a Boltzmann relation for the electrons. Charge neutrality is not assumed in the expansion. View full abstract»

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  • Microwave Breakdown of Water Vapor

    Publication Year: 1979, Page(s):109 - 111
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (641 KB)

    Continuous wave breakdown electric field strengths of water vapor have been measured by a resonant cavity technique at 2.45 GHz, in the pressure range from 20 mtorr to 22 torr. Two cavities were used, one having a characteristic diffusion length of 0.39 cm and the other of 1.0 cm. The results, including a minimum breakdown threshold of 165 V/cm, occurring at a pressure of 1.4 torr, are typical of ... View full abstract»

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  • Plasma Buildup and Breakdown Delay in a Triggered Vacuum Gap

    Publication Year: 1979, Page(s):111 - 115
    Cited by:  Papers (29)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (893 KB)

    The phenomena leading to the surface flashover across solid insulators in vacuum and the subsequent spread of the trigger plasma thus formed to bridge the main gap in a triggered vacuum switch are investigated experimentally. The results show that the breakdown proceeds in two stages. In the first stage a plasma is formed by electrons releasing and ionizing absorbed gases. The electrons are field ... View full abstract»

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  • State Feedback for Control of Multimode Plasma Instabilities

    Publication Year: 1979, Page(s):116 - 119
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (639 KB)

    Using the concet of " normal mode states" of a plasma, a state feedback scheme is developed by which eigenfrequencies can be placed in stable half of the complex frequency plane. All the dynamic states of a plasma instability are approximately recovered from a single properly placed sensor signal via a state reconstructor. Then state feedback is used based on this approximate set of states. The re... View full abstract»

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  • Digital Bispectral Analysis and Its Applications to Nonlinear Wave Interactions

    Publication Year: 1979, Page(s):120 - 131
    Cited by:  Papers (470)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2167 KB)

    The bispectrum, which is an ensemble average of a product of three spectral components, is shown to be a very useful diagnostic tool in experimental studies of nonlinear wave interactions in random media. In particular, it is shown that the bicoherence spectrum may be used to discriminate between nonlinearly coupled waves and spontaneously excited waves and to measure the fraction of wave power du... View full abstract»

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  • Multichannel Neutral Atom Energy Spectrometers for Plasma Diagnostics

    Publication Year: 1979, Page(s):131 - 134
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (753 KB)

    Multichannel neutral atom energy spectrometers for energies of 0.3-10 keV for use on fast pulsed plasma experiments are described. The spectrometers consist of a gas stripping cell, a fixed or variable magnetic prism, and a row of scintillator-photomultiplier detectors. Calibration, data analysis, and some operating experience are described. View full abstract»

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  • A Fast Fourier Transform Technique Applied to Subnanosecond Laser Fusion Diagnostics

    Publication Year: 1979, Page(s):135 - 136
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (927 KB)

    A fast Fourier transform technique is described which when applied to streak-camera data may make possible the first direct experimental determination of the Rayleigh-Taylor instability in the context of laser-pellet fusion. This technique has been successfully applied to computer-generated streak-camera data. View full abstract»

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  • Correction to "Recovery of Dielectric Strength after Current Interruption in a Vacuum"

    Publication Year: 1979, Page(s): 136
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  • NPSS Sponsored Meetings

    Publication Year: 1979, Page(s): 137
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  • [Advertisement]

    Publication Year: 1979, Page(s):137-a - 137-c
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  • Information for authors

    Publication Year: 1979, Page(s): 137d
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  • Affiliate Plan of the IEEE Nuclear and Plasma Sciences Society

    Publication Year: 1979, Page(s): 137-e
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Aims & Scope

IEEE Transactions on Plasma Sciences focuses on plasma science and engineering, including: magnetofluid dynamics and thermionics; plasma dynamics; gaseous electronics and arc technology.

 

 

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Editor-in-Chief
Steven J. Gitomer, Ph.D.
Senior Scientist, US Civilian Research & Development Foundation
Guest Scientist, Los Alamos National Laboratory
1428 Miracerros Loop South
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