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Confinement of charged particles and non-neutral plasma in a magnetic mirror

  • Regular Article - Plasma Physics
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Abstract

The loss rate of ion beams and the non-neutral plasma in an axisymmetric magnetic mirror is investigated in the present paper. It is found that the loss rate increases as the mass of the ions increases for a ion beam confined in a magnetic mirror. Moreover, both the electron loss rate and the ion loss rate are obtained when a non-neutral plasma is confined in a magnetic mirror. It seems that both loss rate remain unchanged in the regime when the electron number density is less than that of the ions. In the other regime that the electron number density is much larger than that of the ion number, the ion loss rate increases with the increase of electron number density, while the electron loss rate decreases as the electron number density increases. This result may help us to devise a mirror to separate the different charged particles by confining these different particles in a magnetic mirror.

Graphical Abstract

The electron loss rate and the ion loss rate are obtained when a non-neutral plasma is confined in a magnetic mirror. It seems that both loss rate remain unchanged in the regime when the electron number density is less than that of the ions. In the other regime that the electron number density is much larger than that of the ion number, the ion loss rate increases with the increase of electron number density, while the electron loss rate decreases as the electron number density increases..

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Data Availibility Statement

This manuscript has no associated data or the data will not be deposited. [Authors’ comment:] The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

Code availibility statement

The raw/processed data required to reproduce these findings cannot be shared at this time as the data also forms part of an ongoing study.

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Funding

This work was supported by National Natural Science Foundation of China (Nos. 420655005, 11965019, 42004131).

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Author notes

  1. Xue-Qiang Gou and Wen-Shan Duan have contributed equally to this work.

Authors and Affiliations

  1. Northwest Normal University, 967 Anning East Road, Lanzhou, 730070, Gansu, People’s Republic of China

    Zai-Xin Wang, Xue-Qiang Gou, Fang-Ping Wang, Heng Zhang & Wen-Shan Duan

  2. Advanced Energy Science and Technology Guangdong Laboratory, Huizhou, 516003, Guangdong, People’s Republic of China

    Sheng Zhang

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Contributions

ZXW wrote the manuscript and prepared all figures. ZW and FPW did numerical simulations. HZ and SZ analyzed the results. WSD and XG proposed the physical idea and revised the article. All authors reviewed the manuscript.

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Correspondence to Wen-Shan Duan.

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Wang, ZX., Gou, XQ., Wang, FP. et al. Confinement of charged particles and non-neutral plasma in a magnetic mirror. Eur. Phys. J. D 76, 170 (2022). https://doi.org/10.1140/epjd/s10053-022-00500-9

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