Spatiotemporal distributions of pair production and cascade in solid targets irradiated by ultra-relativistic lasers with different polarizations

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成果类型：

期刊论文

作者：

Yuan, T.;Yu, J. Y.;Liu, W. Y.;Weng, S. M.;Yuan, X. H.;...

通讯作者：

Chen, M.

作者机构：

[Chen, M.; Sheng, Z. M.; Yu, J. Y.; Weng, S. M.; Yuan, T.; Zhang, J.; Yuan, X. H.] Shanghai Jiao Tong Univ, Minist Educ, Key Lab Laser Plasmas, Shanghai 200240, Peoples R China.

[Chen, M.; Sheng, Z. M.; Yu, J. Y.; Weng, S. M.; Yuan, T.; Zhang, J.; Yuan, X. H.] Shanghai Jiao Tong Univ, Sch Phys & Astron, Shanghai 200240, Peoples R China.

[Yuan, T.] Shanghai Jiao Tong Univ, Inst Nat Sci, Shanghai 200240, Peoples R China.

[Luo, W.; Liu, W. Y.] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

[Luo, W.; Sheng, Z. M.] Univ Strathclyde, Dept Phys, SUPA, Glasgow G4 0NG, Lanark, Scotland.

通讯机构：

[Chen, M.] S

Shanghai Jiao Tong Univ, Minist Educ, Key Lab Laser Plasmas, Shanghai 200240, Peoples R China.

Shanghai Jiao Tong Univ, Sch Phys & Astron, Shanghai 200240, Peoples R China.

Shanghai Jiao Tong Univ, Collaborat Innovat Ctr IFSA CICIFSA, Shanghai 200240, Peoples R China.

语种：

英文

关键词：

PIC simulation;pair generation and cascading;laser polarization

期刊：

Plasma Physics and Controlled Fusion

ISSN：

0741-3335

年：

2018

卷：

期：

页码：

065003

DOI：

10.1088/1361-6587/aab3ba

基金类别：

National Basic Research Program of ChinaNational Basic Research Program of China [2013CBA01504, 2015CB859700]; National Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11721091, 11405083]; National 1000 Young Talent Program; China Scholarship CouncilChina Scholarship Council; Young Talent Project of the University of South China; Leverhulme Trust Research Project GrantLeverhulme Trust; UK EPSRCUK Research & Innovation (UKRI)Engineering & Physical Sciences Research Council (EPSRC) [EP/N028694/1]

机构署名：

本校为其他机构

院系归属：

核科学技术学院

摘要：

Two-dimensional particle-in-cell simulations have been performed to study electron-positron pair production and cascade development in single ultra-relativistic laser interaction with solid targets. The spatiotemporal distributions of particles produced via QED processes are illustrated and their dependence on laser polarizations is investigated. The evolution of particle generation displays clear QED cascade characters. Studies show that although a circularly polarized laser delays the QED process due to the effective ion acceleration, it can reduce the target heating and confine high-energy ...

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Spatiotemporal distributions of pair production and cascade in solid targets irradiated by ultra-relativistic lasers with different polarizations

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