Toroidal rotation driven by the polarization drift
Physical review letters, 2009•APS
Starting from a phase space conserving gyrokinetic formulation, a systematic derivation of
parallel momentum conservation uncovers a novel mechanism by which microturbulence
may drive intrinsic rotation. This mechanism, which appears in the gyrokinetic formulation
through the parallel nonlinearity, emerges due to charge separation induced by the
polarization drift. The derivation and physical discussion of this mechanism will be pursued
throughout this Letter.
parallel momentum conservation uncovers a novel mechanism by which microturbulence
may drive intrinsic rotation. This mechanism, which appears in the gyrokinetic formulation
through the parallel nonlinearity, emerges due to charge separation induced by the
polarization drift. The derivation and physical discussion of this mechanism will be pursued
throughout this Letter.
Starting from a phase space conserving gyrokinetic formulation, a systematic derivation of parallel momentum conservation uncovers a novel mechanism by which microturbulence may drive intrinsic rotation. This mechanism, which appears in the gyrokinetic formulation through the parallel nonlinearity, emerges due to charge separation induced by the polarization drift. The derivation and physical discussion of this mechanism will be pursued throughout this Letter.
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