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Growth rates of fusion product driven lower hybrid drift instability
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Cook, James William S., Chapman, Sandra C. and Dendy, R. O. (2010) Growth rates of fusion product driven lower hybrid drift instability. In: 37th EPS Conference on Plasma Physics, Dublin, Ireland, 21-25 June 2010. Published in: Europhysics conference abstracts, Vol.34A P5.146.
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Official URL: http://ocs.ciemat.es/EPS2010PAP/pdf/P5.146.pdf
Abstract
We present particle-in-cell (PIC) simulations of minority energetic protons in a deuterium plasma, which undergo a collective instability. We focus on obliquely propagating
modes under conditions appropriate to the outer mid-plane edge in a large tokamak, through
which pass confined centrally born fusion products on banana orbits that have large radial
excursions. A fully self-consistent electromagnetic relativistic PIC code representing all
vector field quantities and particle velocities in three dimensions as functions of a single
spatial dimension is used to model this situation by evolving the initial antiparallel travelling ring-beam distribution of 3MeV protons in a background 10keV Maxwellian deuterium plasma with realistic ion-electron mass ratio. Growth rates of the instability have
been calculated for a range of oblique angles and proton-deuterium concentration ratios,
using electric field and particle data.
Item Type: | Conference Item (Paper) | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Library of Congress Subject Headings (LCSH): | Tokamaks, Energy transfer, Collisions (Nuclear physics) | ||||
Journal or Publication Title: | Europhysics conference abstracts | ||||
Official Date: | 2010 | ||||
Dates: |
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Volume: | Vol.34A | ||||
Page Range: | P5.146 | ||||
Status: | Not Peer Reviewed | ||||
Publication Status: | Published | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | 37th EPS Conference on Plasma Physics | ||||
Type of Event: | Conference | ||||
Location of Event: | Dublin, Ireland | ||||
Date(s) of Event: | 21-25 June 2010 |
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