Plasma and Fusion Research

Volume 18, 2401044 (2023)

Regular Articles

Numerical Study of Ion Beam Evolution by Applying Pulsed Magnetic Field to RF Plasma
Takumi MATSUZAWA, Taichi TAKEZAKI and Hiroaki ITO
Faculty of Engineering, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan
(Received 9 January 2023 / Accepted 29 March 2023 / Published 14 June 2023)

Abstract

We numerically investigated the ion behavior in radio frequency (RF) plasma with a pulsed magnetic field applied to a high-current ion source. A one-dimensional hybrid particle-in-cell (PIC) simulation was performed. The numerical results demonstrate the generation process of an ion beam by applying a pulsed magnetic field to the RF plasma. The pulsed magnetic field induces an electric field owing to the interaction between the plasma and the magnetic field. The induced electric field forms a density gradient, and an electrostatic field is generated. The electrostatic field propagates as an ion acoustic wave; some ions in the plasma are accelerated, and an ion beam is generated.

Keywords

RF plasma, ion beam, particle acceleration, pulsed magnetic field, hybrid PIC

DOI: 10.1585/pfr.18.2401044

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