High Power Laser Science and Engineering, Volume. 8, Issue 4, 04000e38(2020)
Asymmetric pulse effects on pair production in polarized electric fields
Figures & Tables(9)
Fig. 1. Momentum spectra of produced 
pairs for linear polarization (
) at 
in the 
plane when the rising pulse length 
is fixed but the falling pulse length 
becomes shorter with 
. The chosen parameters are 
, 
and 
, where 
is the electron mass.
Fig. 2. Same as 
becomes longer with 
.
.
.
.
.Fig. 7. The number density (in units of 
) of pairs produced in differently polarized electric fields for the shorter falling length of the asymmetric pulse shape with 
. The field parameters are the same as in 
, elliptical 
and circular 
cases, respectively.
Fig. 8. Same as 
.
Table 1. The peak values of the particle distribution function
for the typical polarization 
when the rising pulse length 
is fixed and the falling pulse length 
is short and/or elongated. Note that these peaks occur at different values of the momentum 
.View tableView in ArticleTable 1. The peak values of the particle distribution function
for the typical polarization when the rising pulse length is fixed and the falling pulse length is short and/or elongated. Note that these peaks occur at different values of the momentum .${f}_{\mathrm{max}}\left(\mathbf{q},\infty \right)$ $k=1$ $k=0.1$ $k=10$ $\delta =0$ $29.40\times {10}^{-6}$ $8.28\times {10}^{-4}$ $5.24\times {10}^{-5}$ $\delta =0.5$ $9.65\times {10}^{-6}$ $7.50\times {10}^{-4}$ $6.36\times {10}^{-5}$ $\delta =1$ $2.36\times {10}^{-6}$ $6.46\times {10}^{-4}$ $6.38\times {10}^{-5}$
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Obulkasim Olugh, Zi-Liang Li, Bai-Song Xie. Asymmetric pulse effects on pair production in polarized electric fields[J]. High Power Laser Science and Engineering, 2020, 8(4): 04000e38
Paper Information
Category: Research Articles
Received: Jul. 1, 2020
Accepted: Aug. 31, 2020
Posted: Sep. 2, 2020
Published Online: Nov. 23, 2020
The Author Email: Bai-Song Xie (bsxie@bnu.edu.cn)
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