Enhancement of electron–positron pairs in combined potential wells with linear chirp frequency

Wang Li; Li Lie-Juan; Mohamedsedik Melike; An Rong; Li Jing-Jing; Xie Bo-Song; Zhang Feng-Shou

doi:10.1088/1674-1056/ac744b

Volume 32 Issue 1

May. 2023

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JOURNAL OF MECHANICAL ENGINEERING > 2023 > 32(1): 010301.

Wang Li, Li Lie-Juan, Mohamedsedik Melike, An Rong, Li Jing-Jing, Xie Bo-Song, Zhang Feng-Shou. Enhancement of electron–positron pairs in combined potential wells with linear chirp frequency[J]. JOURNAL OF MECHANICAL ENGINEERING, 2023, 32(1): 010301. doi: 10.1088/1674-1056/ac744b

Citation:

Wang Li, Li Lie-Juan, Mohamedsedik Melike, An Rong, Li Jing-Jing, Xie Bo-Song, Zhang Feng-Shou. Enhancement of electron–positron pairs in combined potential wells with linear chirp frequency[J]. JOURNAL OF MECHANICAL ENGINEERING, 2023, 32(1): 010301. doi: 10.1088/1674-1056/ac744b

Citation:

Wang Li, Li Lie-Juan, Mohamedsedik Melike, An Rong, Li Jing-Jing, Xie Bo-Song, Zhang Feng-Shou. Enhancement of electron–positron pairs in combined potential wells with linear chirp frequency[J]. JOURNAL OF MECHANICAL ENGINEERING, 2023, 32(1): 010301. doi: 10.1088/1674-1056/ac744b

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Enhancement of electron–positron pairs in combined potential wells with linear chirp frequency

doi: 10.1088/1674-1056/ac744b

Wang Li^{1, 2},
Li Lie-Juan²,
Mohamedsedik Melike²,
An Rong^{1, 2},
Li Jing-Jing^{1, 2},
Xie Bo-Song^{1, 2},
Zhang Feng-Shou^{1, 2}

1.
Institute of Radiation Technology, Beijing Academy of Science and Technology,Beijing 100875,China
2.
Key Laboratory of Beam Technology of Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University,Beijing 100875,China

Received Date: 03 Mar 2022
Available Online: 31 May 2023
Issue Publish Date: 01 Jan 2023

Abstract

Abstract

Effect of linear chirp frequency on the process of electron–positron pairs production from vacuum is investigated by the computational quantum field theory. With appropriate chirp parameters, the number of electrons created under combined potential wells can be increased by two or three times. In the low frequency region, frequency modulation excites interference effect and multiphoton processes, which promotes the generation of electron–positron pairs. In the high frequency region, high frequency suppression inhibits the generation of electron–positron pairs. In addition, for a single potential well, the number of created electron–positron pairs can be enhanced by several orders of magnitude in the low frequency region.
- electron-positron pairs,
- linear chirp frequency,
- the computational quantum field theory

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References(50)

References

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Enhancement of electron–positron pairs in combined potential wells with linear chirp frequency

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