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(THP1/10) Flow Shear Stabilization of Ion Temperature Gradient Modes in an Internal Transport Barrier

J. Q. Dong1)
 
1) Southwestern Institute of Physics, China

Abstract.  Ion temperature gradient (ITG) driven instability is studied with gyrokinetic theory in an internal transport barrier (ITB) of tokamak plasmas. The stabilization effects of a parallel velocity shear on the modes are investigated. It is found that the mode structures and stability properties, as well as the effects of a velocity shear, in an ITB are significantly different from that in off-ITB regions.

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IAEA 2001