NDLI: Propagation of neutralized plasma beams

Content Provider	IEEE Xplore Digital Library
Author	Wessel, F.J. Song, J.J. Rahman, H.U. Yur, G. Rostoker, N. White, R.S.
Copyright Year	1990
Description	Author affiliation: Phys. Dept., Univ. of California, Irvine, Irvine, CA, USA (Wessel, F.J.; Song, J.J.; Rahman, H.U.; Yur, G.; Rostoker, N.; White, R.S.)
Abstract	Beams of charge- and current-neutralized plasma will cross a transverse-magnetic field by a combination of collective-plasma processes. These processes were studied for a high -to-low beta (β ≡ plasma energy density/magnetic field energy density) hydrogen-plasma beam injected into a vacuum transverse magnetic field with nominal parameters: $T_{i}$ ≈ 1 eV, $T_{e}$ ≈ 5 eV, n ≤ $10^{14}$ $cm^{-3},$ $v_{i}$ ≤ 9 × $10^{6}$ cm/s, $t_{pulse}$ <; 60; 70 μs, $B_{z}$ ≤ 300 G. Plasma characteristics were measured for a wide beam, $a/ρ_{i}$ ≤ 35, and a downstream distance, x ≤ 300 $ρ_{i},$ where a is the beam radius, x is the downstream distance, and $ρ_{i}$ is the ion gyroradius. A brief state of initial diamagnetic propagation is observed, followed by a rapid transition to E×B propagation. E×B propagation is accompanied by beam compression transverse to B. with as much as a factor of four increase in density and a slight drift of the beam in the ion Lorentz force direction. As the magnetic field increases, the observed magnetization time decreases from that calculated using classical Spitzer conductivity, approaching an order of magnitude. This rapid magnetization can be accounted for using classical Hall conductivity, rather than invoking anomalous processes or instabilities to calculate the magnetization time.
Starting Page	555
Ending Page	566
File Size	1336609
Page Count	12
File Format	PDF
ISBN	9789810205454
ISSN	08998221
DOI	10.1063/1.859470
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-07-02
Publisher Place	Russia
Access Restriction	Subscribed
Rights Holder	World Scientific
Subject Keyword	Particle beams Magnetic field measurement Apertures Plasmas Magnetic fields Laser beams Probes
Content Type	Text
Resource Type	Article
Subject	Fluid Flow and Transfer Processes Physics and Astronomy Mechanics of Materials Condensed Matter Physics Computational Mechanics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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