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Stellarator equilibria and the problem of position control
1984
The Physics of Fluids
A class of low-# stellarator MHD equilibria with -(a/Ro) 2 is introduced and the corresponding toroidal shift is calculated. It is shown that an apparent paradox exists with regard to the problem of position control in that a vertical field is capable of shifting vacuum flux surfaces, but produces no net body force on a current free stellarator. This paradox is resolved by an analysis of the transient response of the plasma and demonstrates how the vertical field can be used as a means of
doi:10.1063/1.864833
fatcat:fyv2e6kayzesdchmx33ifseuoe