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Steady state self-induced current in tokamak

Phys. Plasmas 16, 112502 (2009); doi:10.1063/1.3254369

Published 3 November 2009

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Yu. V. Gott and E. I. Yurchenko
RRC “Kurchatov Institute,” Kurchatov sq.1, Moscow 123182, Russia
A model, which may make it possible to self-consistently calculate the self-driven current in tokamaks taking into account asymmetry and bootstrap currents, is presented. It is shown that the described self-driven current can provide steady-state tokamak operation without the seed current produced with the help of additional methods. The total self-consistent, self-driven current does not depend on magnetic field magnitude and is proportional to the square root from plasma pressure. The experimental data obtained in the National Spherical Torus Experiment are satisfactorily described by this model. ©2009 American Institute of Physics
History: Received 11 June 2009; accepted 5 October 2009; published 3 November 2009
Permalink: http://link.aip.org/link/?PHPAEN/16/112502/1
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1070-664X (print)   1089-7674 (online)
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