Induction of Positron Creation in Dirac Vacuum by Super Intense Laser Sequence

Fig. 2. Density of positrons N(t) generated at different step potentials, with an inset showing the variation of tunneling particle number with field width W

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Fig. 3. Comparison between the supercritical potential well (solid line) with the ladder potential well (dashed line), the inset is the shape of the two types of the potential wells

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Fig. 4. Number of created particles for different values of M for the oscillate ladder potential well structure

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Fig. 5. Number of created particles for different values of d of the oscillate ladder potential well structure (top) with D=20/c, and the number of created particles for different values of D of the oscillate ladder potential well structure (bottom) with d=1/c

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Fig. 6. Potential diagram of the oscillate ladder potential well-barrier with M=20

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Fig. 7. Number of created particles of the oscillate ladder potential well and the oscillate ladder potential well-barrier

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Table 1. Total potential V_M and pair creation rate ${\bar{Γ}}_{M}$ for different values of M
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Table 1. Total potential V_M and pair creation rate ${\bar{Γ}}_{M}$ for different values of M
M 2 4 8 16
V_M 0.3c² 0.6c² 1.2c² 2.4c²
${\bar{Γ}}_{M}$ 0.184 2.071 12.437 32.463

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Zhi Ren, Dakai Shang, Xinyu Lu, Songtao Li, Chi Gong. Induction of Positron Creation in Dirac Vacuum by Super Intense Laser Sequence[J]. Acta Optica Sinica, 2024, 44(20): 2027002

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Paper Information

Category: Quantum Optics

Received: Apr. 22, 2024

Accepted: Jun. 4, 2024

Published Online: Oct. 11, 2024

The Author Email: Gong Chi (chigong@ncepu.edu.cn)

DOI:10.3788/AOS240884

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Total potential V_M and pair creation rate ${\bar{Γ}}_{M}$ for different values of M

Table 1. Total potential V_M and pair creation rate ${\bar{Γ}}_{M}$ for different values of M

Table 1. Total potential VM and pair creation rate Γ¯M for different values of M

Table 1. Total potential VM and pair creation rate Γ¯M for different values of M

Table 1. Total potential V_M and pair creation rate ${\bar{Γ}}_{M}$ for different values of M

Table 1. Total potential V_M and pair creation rate ${\bar{Γ}}_{M}$ for different values of M