Stellarator configurations such as the proposed NCSX can be created with negative magnetic shear and positive bootstrap current to achieve stability to the NTM .
The proposed NCSX is a quasi-axisymmetric stellarator design .
Stellarator configurations such as the proposed NCSX , a quasi-axisymmetric stellarator design , can be created with negative magnetic shear and positive bootstrap current to achieve stability to the NTM .