The second stability region for MHD ballooning modes exists in linear gyrokinetics, and realistic-geometry simulations show reduced collisionless electrostatic turbulent transport for H-mode profiles due to bootstrap current lowering global shear and pressure gradient altering local shear.
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physics.plasm-ph 2years
2026 2representative citing papers
An average measure of the Shafranov shift is defined and shown to be particularly small in quasi-helical and quasi-isodynamic stellarators with many field periods.
citing papers explorer
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Second stability region for gyrokinetics and the L-H transition
The second stability region for MHD ballooning modes exists in linear gyrokinetics, and realistic-geometry simulations show reduced collisionless electrostatic turbulent transport for H-mode profiles due to bootstrap current lowering global shear and pressure gradient altering local shear.
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On the Shafranov shift in stellarators
An average measure of the Shafranov shift is defined and shown to be particularly small in quasi-helical and quasi-isodynamic stellarators with many field periods.