Electron-Positron Pair Production in a Strong Laser Field Enhanced by an Assisted High Frequency Weak Field

被引：0
|
作者：
Abdukerim Nuriman [1 ]
谢柏松 [2 ]
李子良 [2 ]
Dulat Sayipjamal [1 ]
机构：
[1] School of Physics Science and Technology,Xinjiang University
[2] College of Nuclear Science and Technology,Beijing Normal University
来源：
Communications in Theoretical Physics | 2013年 / 59卷 / 03期
基金：
中国国家自然科学基金;
关键词：
electron-positron pair production; quantum Vlasov equation; dynamically assisted field;
D O I：
暂无
中图分类号：
TN24 [激光技术、微波激射技术]; O572.322 [];
学科分类号：
070202 ; 0803 ; 080401 ; 080901 ;
摘要：
Electron-positron pair production in a strong laser field enhanced by an assisted high frequency weak field is investigated by solving the quantum Vlasov equation.The average and residual pair number densities are obtained for sinusoid electric field and it is found that the high frequency assisted weak field will enhance pair production significantly.There exists an optimal frequency of assisted field that makes the pair production number density get a maximum one,which is a few orders of higher than that without assisted field.We also discuss the other possible assisted fields.
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页码：331 / 334
页数：4
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