All-optical nonlinear Compton scattering performed with a multi-petawatt laser

被引：6
作者：
Mirzaie, Mohammad [1 ,2 ]
Hojbota, Calin Ioan [1 ]
Kim, Do Yeon [1 ]
Pathak, Vishwa Bandhu [1 ]
Pak, Tae Gyu [1 ,3 ]
Kim, Chul Min [1 ,2 ]
Lee, Hwang Woon [1 ]
Yoon, Jin Woo [1 ,2 ]
Lee, Seong Ku [1 ,2 ]
Rhee, Yong Joo [1 ]
Vranic, Marija [4 ]
Amaro, Oscar [4 ]
Kim, Ki Yong [1 ,3 ,5 ]
Sung, Jae Hee [1 ,2 ]
Nam, Chang Hee [1 ,3 ]
机构：
[1] Inst Basic Sci, Ctr Relativist Laser Sci CoReLS, Gwangju, South Korea
[2] Gwangju Inst Sci & Technol GIST, Adv Photon Res Inst, Gwangju, South Korea
[3] Gwangju Inst Sci & Technol GIST, Dept Phys & Photon Sci, Gwangju, South Korea
[4] Univ Lisbon, GoLP Inst Plasmas & Fusao Nucl, Inst Super Tecn, Lisbon, Portugal
[5] Univ Maryland, Inst Res Elect & Appl Phys, College Pk, MD USA
来源：
NATURE PHOTONICS | 2024年 / 18卷 / 11期
关键词：
ELECTRON; FIELD;
D O I：
10.1038/s41566-024-01550-8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Light-matter interactions driven by ultrahigh-intensity lasers have great potential to uncover the physics associated with quantum electrodynamics (QED) processes occurring in neutron stars and black holes. The Compton scattering between an ultra-relativistic electron beam and an intense laser can reveal a new interaction regime, known as strong-field QED. Here we present an experimental demonstration of nonlinear Compton scattering in a strong laser field, in which a laser-accelerated multi-gigaelectronvolt electron scatters off hundreds of laser photons and converts them into a single gamma-ray photon with several-hundred-megaelectronvolt energy. Along with particle-in-cell (PIC)-QED simulations and analytical calculations, our experimental measurement of gamma-ray spectra verifies the occurrence of Compton scattering in the strongly nonlinear regime, paving the road to examine nonlinear Breit-Wheeler pair production and QED cascades. Researchers demonstrate nonlinear Compton scattering in a strong laser field, in which a laser-accelerated multi-GeV electron scatters off hundreds of laser photons and converts them into a single gamma-ray photon with several-hundred-MeV energy.
引用
收藏
页码：1212 / 1217
页数：10
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