Tokamak Magnetohydrodynamic Equilibrium States with Axisymmetric Boundary and a 3D Helical Core

Magnetohydrodynamic (MHD) equilibrium states with imposed axisymmetric boundary are computed in which a spontaneous bifurcation develops to produce an internal three-dimensional (3D) configuration with a helical structure in addition to the standard axisymmetric system. Equilibrium states with similar MHD energy levels are shown to develop very different geometric structures. The helical equilibrium states resemble saturated internal kink mode structures.


Published in:
Physical Review Letters, 105, 035003, 035003
Year:
2010
Publisher:
American Physical Society
Keywords:
Laboratories:
SPC
CRPP




 Record created 2010-07-19, last modified 2018-01-28

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