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Equilibrium of Charged Plasmas with Weak Axisymmetric Magnetic Perturbations

I. Kotelnikov, M. Romé, A. Kabantsev (19P08)

Fusion Science and Technology / Volume 51 / Number 2T / February 2007 / Pages 238-240

Technical Paper / Open Magnetic Systems for Plasma Confinement

The effect of weak axisymmetric magnetic and/or electrostatic perturbations on the equilibrium of a non-neutral plasma in a Malmberg-Penning trap is analyzed. A semi-analytic solution for the potential variations inside the trap is found in a paraxial limit of the perturbations for the case of global thermal equilibrium. The fraction of magnetically and electrostatically trapped particles is calculated for a bi-Maxwellian distribution function.

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