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physics.plasm-ph2025★ 1 cited
Runaway electrons during a coil quench in stellarators
Pavel Aleynikov, Per Helander, Håkan M Smith
It is shown that avalanches of runaway electrons can arise in stellarators, even if there is no net toroidal current in the plasma or the magnetic-field coils, if the current in th…
physics.plasm-ph2025★ 2 cited
Piecewise omnigenous stellarators with zero bootstrap current
Ivan Calvo, Jose Luis Velasco, Per Helander +1
Until now, quasi-isodynamic magnetic fields have been the only known stellarator configurations that, at low collisionality, give small radial neoclassical transport and zero boots…