Electric and magnetic structure of an edge plasma in a tokamak with a helical magnetic limiter
- 1 January 1987
- journal article
- research article
- Published by AIP Publishing in Physics of Fluids
- Vol. 30 (1) , 144-147
- https://doi.org/10.1063/1.866180
Abstract
A strong modification of plasma potential was observed at the plasma surface with the application of a helical field produced by a set of local helical coils. The structure of magnetic field lines was computed by a field line tracing code for a tokamak plasma. Such a field structure was examined in the experiment using electron beam probing. The potential formation and the magnetic structure are discussed referring to the scheme of an ergodic magnetic limiter.Keywords
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