Stellarator: Difference between revisions

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	A stellarator is a magnetic confinement device. The [[Magnetic shear\|rotational transform]] is predominantly generated by external coils - as opposed to a [[Tokamak\|tokamak]], in which the poloidal field is generated by plasma currents. Hybrid concepts (including the concepts known as quasi-axisymmetry and quasi-omnigeneity) employ both external coils and self-generated ([[Bootstrap current\|bootstrap]]) currents (e.g. NCSX).		A stellarator is a [[Magnetic confinement\|magnetic confinement]] device. The [[Magnetic shear\|rotational transform]] is predominantly generated by external coils - as opposed to a [[Tokamak\|tokamak]], in which the poloidal field is generated by plasma currents. Hybrid concepts (including the concepts known as quasi-axisymmetry and quasi-omnigeneity) employ both external coils and self-generated ([[Bootstrap current\|bootstrap]]) currents (e.g. NCSX).

	[[File:NCSX_plasmaVessel.jpg\|200px\|thumb\|right\|NCSX plasma vessel.]]		[[File:NCSX_plasmaVessel.jpg\|200px\|thumb\|right\|NCSX plasma vessel.]]