Possibility of Prolific Pair Production with High-Power Lasers

被引：478

作者：

Bell, A. R. ^{[1
,2
]}

Kirk, John G. ^{[3
]}

机构：

[1] Univ Oxford, Clarendon Lab, Oxford OX1 3PU, England

[2] RAL, STFC Cent Laser Facil, Didcot OX11 0QX, Oxon, England

[3] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 20期

关键词：

D O I：

10.1103/PhysRevLett.101.200403

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Prolific electron-positron pair production is possible at laser intensities approaching 10(24) W cm(-2) at a wavelength of 1 mu m. An analysis of electron trajectories and interactions at the nodes (B=0) of two counterpropagating, circularly polarized laser beams shows that a cascade of gamma rays and pairs develops. The geometry is generalized qualitatively to linear polarization and laser beams incident on a solid target.

引用

页数：4

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