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Onset and saturation of ion heating by odd-parity rotating magnetic fields in a field-reversed configuration.
Landsman, A S; Cohen, S A; Glasser, A H.
Afiliación
  • Landsman AS; Naval Research Laboratory, Washington, Distrct of Columbia, USA. alandsma@cantor.nrl.navy.mil
Phys Rev Lett ; 96(1): 015002, 2006 Jan 13.
Article en En | MEDLINE | ID: mdl-16486467
ABSTRACT
Heating of figure-8 orbit ions by odd-parity rotating magnetic fields (RMF(O)) applied to an elongated field-reversed configuration (FRC) is investigated. The largest energy gain occurs at resonances (s congruent to omega(R)/omega) of the RMF(O) frequency, omega(R), with the figure-8 orbital frequency, omega, and is proportional to s2 for s-even resonances and to s for s-odd resonances. The threshold for the transition from regular to stochastic orbits explains both the onset and saturation of heating. The FRC magnetic geometry lowers the threshold for heating below that in the tokamak by an order of magnitude.
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Banco de datos: MEDLINE Idioma: En Año: 2006 Tipo del documento: Article
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Banco de datos: MEDLINE Idioma: En Año: 2006 Tipo del documento: Article