Threshold of parametric decay instability accompanying electron Bernstein wave heating in spherical tokamaks

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dc.creatorGusakov, Evgeniy
dc.creatorSurkov, Alexander
dc.date2004-10-21
dc.date2005-04-16
dc.date.accessioned2026-07-07T05:53:06Z
dc.date.available2026-07-07T05:53:06Z
dc.descriptionThe parametric instability of upper hybrid wave decay into back scattered upper hybrid wave and lower hybrid wave is considered for conditions of inhomogeneous plasma of spherical tokamaks. The possibility of absolute instability is demonstrated and the corresponding threshold is determined. It is shown that the threshold power increases with pump frequency and electron temperature. Threshold power is estimated for typical parameters of experiment in MAST tokamak. It is shown that in this case parametrical reflection arises, if probing power exceeds 90W/cm^2, which gives 30 kW for a beam of 10 cm radius.
dc.description12th International Congress on Plasma Physics, 25-29 October 2004, Nice (France)
dc.identifierhttps://arxiv.org/abs/physics/0410190
dc.identifierhttp://arxiv.org/abs/physics/0410190
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/86532
dc.subjectPlasma Physics
dc.titleThreshold of parametric decay instability accompanying electron Bernstein wave heating in spherical tokamaks
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