Harmonic generation from laser-driven vacuum

被引：0
|
作者：
Di Piazza, A. [1 ]
Hatsagortsyan, K. Z. [1 ]
Keitel, C. H. [1 ]
机构：
[1] Max Planck Inst Kernphys, Saupfercheckweg 1, D-69117 Heidelberg, Germany
来源：
SUPERSTRONG FIELDS IN PLASMAS | 2006年 / 827卷
关键词：
harmonic generation; vacuum effects;
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate harmonic generation from vacuum in the field of a superstrong standing laser wave. We show analitycally that for laser electric fields larger than E-cr = m(2)c(3)/he = 1.3. 10(16) V/cm high order harmonics of the pumping laser are generated. The harmonic spectrum shows a wide plateau followed by a cut-off at photon energies h omega m similar to root hecE(L) with EL the amplitude of the laser field. In the weak field limit EL << Ecr the emission of high harmonics is very unlikely. This is now the experimentally interesting case and we show that "laser assisted" photon-photon scattering could be observed with optical lasers available today.
引用
收藏
页码：436 / +
页数：2
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