Magnetic transport and radiation properties during compression of a magnetized plasma

Wang Zhao; Cheng Rui; Jin Xuejian; Chen Yanhong; Shi Lulin; Wang Guodong; Zhou Zexian; Iqbal Zakir; Chen Yupeng; Zhang Jinfu; Wu Xiaoxia; Lei Yu; Wang Yuyu; Zhao Yongtao; Liu Shuai; Chen Liangwen; Yang Jie

doi:10.1063/5.0244786

Volume 10 Issue 3

May 2025

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Article Navigation > Matter and Radiation at Extremes > 2025 > 10(3): 037401

Wang Zhao, Cheng Rui, Jin Xuejian, Chen Yanhong, Shi Lulin, Wang Guodong, Zhou Zexian, Iqbal Zakir, Chen Yupeng, Zhang Jinfu, Wu Xiaoxia, Lei Yu, Wang Yuyu, Zhao Yongtao, Liu Shuai, Chen Liangwen, Yang Jie. Magnetic transport and radiation properties during compression of a magnetized plasma[J]. Matter and Radiation at Extremes, 2025, 10(3): 037401. doi: 10.1063/5.0244786

Citation:

Wang Zhao, Cheng Rui, Jin Xuejian, Chen Yanhong, Shi Lulin, Wang Guodong, Zhou Zexian, Iqbal Zakir, Chen Yupeng, Zhang Jinfu, Wu Xiaoxia, Lei Yu, Wang Yuyu, Zhao Yongtao, Liu Shuai, Chen Liangwen, Yang Jie. Magnetic transport and radiation properties during compression of a magnetized plasma[J]. Matter and Radiation at Extremes, 2025, 10(3): 037401. doi: 10.1063/5.0244786

Citation:

Wang Zhao, Cheng Rui, Jin Xuejian, Chen Yanhong, Shi Lulin, Wang Guodong, Zhou Zexian, Iqbal Zakir, Chen Yupeng, Zhang Jinfu, Wu Xiaoxia, Lei Yu, Wang Yuyu, Zhao Yongtao, Liu Shuai, Chen Liangwen, Yang Jie. Magnetic transport and radiation properties during compression of a magnetized plasma[J]. Matter and Radiation at Extremes, 2025, 10(3): 037401. doi: 10.1063/5.0244786

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Magnetic transport and radiation properties during compression of a magnetized plasma

doi: 10.1063/5.0244786

Wang Zhao^{1, 2
,},
Cheng Rui^{1, 2, 3
,
,},
Jin Xuejian^{1, 2
,},
Chen Yanhong¹,
Shi Lulin^{1, 4
,},
Wang Guodong^{1, 2
,},
Zhou Zexian^{1, 4},
Iqbal Zakir^{1, 2
,},
Chen Yupeng¹,
Zhang Jinfu³,
Wu Xiaoxia¹,
Lei Yu¹,
Wang Yuyu^{1, 2, 3},
Zhao Yongtao^5
,,
Liu Shuai⁵,
Chen Liangwen^{1, 2, 3
,},
Yang Jie^{1, 2, 3
,}

1.
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China
3.
Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
4.
College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China
5.
Xi’an Jiaotong University, Xi’an 710049, China

More Information

Author Bio:
Electronic mail: chenlw@impcas.ac.cn
Corresponding author: a)Author to whom correspondence should be addressed: chengrui@impcas.ac.cn
Received Date: 2024-10-22
Accepted Date: 2025-02-13

Available Online: 2025-05-01

Publish Date: 2025-05-01

Abstract

Abstract

We present a study of magnetic transport and radiation properties during compression of a magnetized laboratory plasma. A theta pinch is used to produce a magnetized plasma column undergoing radial implosion, with plasma parameters comprehensively measured through diverse diagnostic techniques. High-resolution observations show the implosion progressing through three stages: compression, expansion, and recompression. An anomalous demagnetization phenomenon is observed during the first compression stage, wherein the magnetic field at the plasma center is depleted as the density increases. We reveal the demagnetization mechanism and formulate a straightforward criterion for determining its occurrence, through analysis based on extended-magnetohydrodynamics theory and a generalized Ohm’s law. Additionally, we quantitatively evaluate the radiation losses and magnetic field variations during the two compression stages, providing experimental evidence that magnetic transport can influence the radiation properties by altering the plasma hydrodynamics. Furthermore, extrapolated results using our findings reveal direct relevance to magnetized inertial confinement fusion, space, and astrophysical plasma scenarios.

Conflict of Interest
The authors have no conflicts to disclose.
Zhao Wang: Conceptualization (equal); Data curation (equal); Formal analysis (equal); Investigation (equal); Methodology (equal); Visualization (equal); Writing – original draft (equal); Writing – review & editing (equal). Rui Cheng: Conceptualization (equal); Data curation (equal); Funding acquisition (equal); Project administration (equal); Supervision (equal); Writing – review & editing (equal). Xuejian Jin: Investigation (supporting); Validation (supporting); Writing – review & editing (supporting). Yanhong Chen: Investigation (supporting); Validation (supporting); Writing – review & editing (supporting). Lulin Shi: Investigation (supporting); Writing – review & editing (supporting). Guodong Wang: Investigation (supporting); Writing – review & editing (supporting). Zexian Zhou: Investigation (supporting); Writing – review & editing (supporting). Zakir Iqbal: Investigation (supporting); Writing – review & editing (supporting). Yupeng Chen: Investigation (supporting). Jinfu Zhang: Investigation (supporting); Writing – review & editing (supporting). Xiaoxia Wu: Investigation (supporting); Writing – review & editing (supporting). Yu Lei: Investigation (equal); Writing – review & editing (equal). Yuyu Wang: Investigation (supporting); Writing – review & editing (supporting). Yongtao Zhao: Funding acquisition (supporting); Validation (supporting); Writing – review & editing (supporting). Shuai Liu: Methodology (supporting); Writing – review & editing (supporting). Liangwen Chen: Project administration (equal); Writing – review & editing (supporting). Jie Yang: Data curation (equal); Funding acquisition (supporting); Supervision (equal); Validation (supporting); Writing – review & editing (supporting).
Author Contributions
The data that support the findings of this study are available from the corresponding author upon reasonable request.

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References(59)

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