QED cascades induced by circularly polarized laser fields

被引：290

作者：

Elkina, N. V. ^{[1
]}

Fedotov, A. M. ^{[2
]}

Kostyukov, I. Yu. ^{[3
]}

Legkov, M. V. ^{[2
]}

Narozhny, N. B. ^{[2
]}

Nerush, E. N. ^{[3
]}

Ruhl, H. ^{[1
]}

机构：

[1] Univ Munich, D-80539 Munich, Germany

[2] Natl Res Nucl Univ MEPhI, Moscow 115409, Russia

[3] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod 603950, Russia

来源：

PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS | 2011年 / 14卷 / 05期

关键词：

STRONG MAGNETIC-FIELDS; ELECTROMAGNETIC SHOWERS; PAIR PRODUCTION; ELECTRON; PHOTON;

D O I：

10.1103/PhysRevSTAB.14.054401

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The results of Monte-Carlo simulations of electron-positron-photon cascades initiated by slow electrons in circularly polarized fields of ultrahigh strength are presented and discussed. Our results confirm previous qualitative estimations [A. M. Fedotov et al., Phys. Rev. Lett. 105, 080402 (2010)] of the formation of cascades. This sort of cascade has revealed a new property of restoration of energy and dynamical quantum parameter due to acceleration of electrons and positrons by the field. This may become a dominating feature of laser-matter interactions at ultrahigh intensities. Our approach incorporates radiation friction acting on individual electrons and positrons.

引用

页数：12

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