2 papers
physics.plasm-ph2026
Photon Orbital Angular Momentum Control by Electron Wavepackets in Nonlinear Compton Scattering
Zheng-Yang Zuo, Peng-Pei Xie, Xiang-Nan Shi +1
Photon orbital angular momentum (OAM) generated in nonlinear Compton scattering has attracted considerable interest as a route toward vortex -ray sources. Existing theories desc…
physics.acc-ph2025
All-Optical Generation of Dense, Multi-GeV, Longitudinally-Polarized Positron Beams
Rui-Qi Qin, Peng-Pei Xie, Yan-Fei Li +6
The production of high-yield, longitudinally polarized positron beams represents an outstanding challenge in advanced accelerator science. Laser-driven schemes offer a compact alte…