3 papers
physics.optics2025
Super light-by-light scattering in vacuum induced by intense vortex lasers
Zhigang Bu, Lingang Zhang, Shiyu Liu +4
Collision of ultra-intense optical laser and X-ray free electron laser (XFEL) pulses is a promising approach to detecting nonlinear vacuum polarization (VP), a long-standing predic…
hep-ph2025
Superkick Effect in Vortex Particle Scattering
Shiyi Liu, Bei Liu, Igor P. Ivanov +1
Vortex states of photons or electrons are a novel and promising experimental tool across atomic, nuclear, and particle physics. Various experimental schemes to generate high-energy…
hep-ph2024
Unambiguous detection of high energy vortex states via the superkick effect
Zhengjiang Li, Shiyu Liu, Bei Liu +2
Vortex states of photons, electrons, and other particles are freely propagating wave packets with helicoidal wave fronts winding around the axis of a phase vortex. A particle prepa…