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3D particle-in-cell simulations of electron magnetic confinement in electron cyclotron resonance ion sources
Xiaolin Jin1, Li Lei1, Jibo Li2
1Vacuum Electronics National Laboratory, University of Electronic Science and Technology of China, Chengdu 610054, China.
Abstract:
The electron confinement in an electron cyclotron resonance ion source is considered a critical factor that has a great influence on the working efficiency. In this paper, a three-dimensional electromagnetic particle-in-cell code is presented for simulations of the electron confinement in minimum-B structures. Electron dynamics under the effect of electromagnetic fields is modeled through a leapfrog scheme by solving Maxwell's equations and the particle equations of motion iteratively. Some characteristics of electron magnetic confinement are obtained through a benchmarking example. Preliminary results of the simulation show good agreement with the well-known effects.
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