Li Wang, Liejuan Li, Mohamedsedik Melike, Baisong Xie. Enhancement of nonlinear chirped frequency on electron-positron pair production in the potential well[J]. High Power Laser and Particle Beams, 2023, 35(1): 012003
- High Power Laser and Particle Beams
- Vol. 35, Issue 1, 012003 (2023)
Fig. 1. Electron-positron number vs the chirp parameter in a single oscillating potential well
Fig. 2. Optimal chirp parameter vs fundamental frequency in a single oscillating potential well
Fig. 3. Electron-positron pair number vs fundamental frequency in a single oscillating potential well
Fig. 4. Electron-positron pair number vs time in a single oscillating potential well
Fig. 5. Instantaneous bound states vs time in a single oscillating potential well
Fig. 6. Electron-positron number vs the chirp parameter in combined potential wells
Fig. 7. Optimal chirp parameter vs fundamental frequency in combined potential wells
Fig. 8. Electron-positron number vs fundamental frequency in combined potential wells
Fig. 9. Electron-positron number varies with time in combined potential wells
Fig. 10. Temporal and spatial distribution of the number of electrons created under combined potential wells
Fig. 11. Energy spectra of electrons created in combined potential wells
Fig. 12. Frequency spectra under nonlinear chirp
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Table 1. The ratio of electron-positron number created at the optimal chirp parameter to that at the fixed frequency in a single oscillating potential well
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Table 2. The ratio of electron-positron number created at the optimal chirp parameter to that at the fixed frequency in combined potential wells
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