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

J. Q. Dong^1)
 
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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