Electron spin- and photon polarization-resolved probabilities of strong-field QED processes

被引：22

作者：

Chen, Yue-Yue ^{[1
]}

Hatsagortsyan, Karen Z. ^{[2
]}

Keitel, Christoph H. ^{[2
]}

Shaisultanov, Rashid ^{[3
]}

机构：

[1] Shanghai Normal Univ, Dept Phys, Shanghai 200234, Peoples R China

[2] Max Planck Inst Kernphys, Saupfercheckweg 1, D-69117 Heidelberg, Germany

[3] Helmholtz Zentrum Dresden Rossendorf, Bautzner Landstr 400, D-01328 Dresden, Germany

来源：

PHYSICAL REVIEW D | 2022年 / 105卷 / 11期

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

GAMMA-RAY BEAM; INTENSE FIELD; ELECTROMAGNETIC-WAVE; ELASTIC ELECTRON; PAIR PRODUCTION; LASER; SCATTERING; PARTICLES; EMISSION;

D O I：

10.1103/PhysRevD.105.116013

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A derivation of fully polarization-resolved probabilities is provided for high-energy photon emission and electron-positron pair production in ultrastrong laser fields. The probabilities resolved in both electron spin and photon polarization of incoming and outgoing particles are indispensable for developing QED Monte Carlo and QED-particle-in-cell codes, aimed at the investigation of polarization effects in nonlinear QED processes in ultraintense laser-plasma and laser-electron beam interactions, and other nonlinear QED processes in external ultrastrong fields, which involve multiple elementary processes of a photon emission and pair production. The quantum operator method introduced by Baier and Katkov is employed for the calculation of probabilities within the quasiclassical approach and the local constant field approximation. The probabilities for the ultrarelativistic regime are given in a compact form and are suitable to describe polarization effects in strong laser fields of arbitrary configuration, rendering them very well suited for applications.

引用

页数：14

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