Particle-in-cell simulations of 100 keV electron beam interaction with a thin magnetized plasma

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Abstract

First simulation results on interaction of a long and thin magnetized plasma column with a 100 keV electron beam are presented. Selected parameters are similar to those in the real GOL-3 experiments. To simulate the realistic problem of continuous beam injection into a plasma, we use a 2D3V particle-in cell code allowing for the open boundary conditions in the beam direction. It is shown that such a thin system appears to be unstable against the quasi-regular longitudinal density modulations and generates the fundamental and second harmonic emissions via the antenna mechanism. The radiation power of such an antenna is found to reach 0.6% of the total beam power.

Original languageEnglish
Title of host publicationOpen Magnetic Systems for Plasma Confinement, OS 2016
Subtitle of host publicationProceedings of the 11th International Conference on Open Magnetic Systems for Plasma Confinement
EditorsAleksey Arakcheev, Anton Sudnikov
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735414297
DOIs
Publication statusPublished - 11 Oct 2016
Event11th International Conference on Open Magnetic Systems for Plasma Confinement, OS 2016 - Akademgorodok, Novosibirsk, Russian Federation
Duration: 8 Aug 201612 Aug 2016

Publication series

NameAIP Conference Proceedings
Volume1771
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference11th International Conference on Open Magnetic Systems for Plasma Confinement, OS 2016
CountryRussian Federation
CityAkademgorodok, Novosibirsk
Period08.08.201612.08.2016

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