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physics.plasm-ph2026
Experimental Determination of Gamma-Ray Polarization in Strong-Field Nonlinear Compton Scattering
Pengpei Xie, Mingyang Zhu, Xichen Hu +13
The polarization of gamma rays produced in strong-field quantum electrodynamics (SFQED) is a fundamental and long-standing prediction, the verification of which has remained elusiv…
physics.plasm-ph2026
Probing vacuum birefringence in an Ultrastrong Laser Field via High-energy Gamma-ray Polarimetry
Da-Lin Wang, Xian-Zhang Wu, Rui-Qi Qin +5
Vacuum birefringence (VB), a fundamental prediction of nonlinear quantum electrodynamics (QED), has eluded direct laboratory detection due to its extreme weakness. We propose a com…