3 papers
hep-ph2026
Laser-induced selection of longitudinal bosons in resonant annihilation
Fengye Chen, Qingzheng Lv, Libin Fu
Longitudinal \(Z\)-boson production is strongly suppressed in collinear \(e^+e^-\) annihilation in vacuum due to current conservation and helicity selection. We show that this supp…
physics.optics2026
Symmetry-Breaking Electron Dynamics Enable Ultrabroadband Optical-Field Sampling via Second-Harmonic Generation
Wenqi Tang, Ahai Chen, Michael Klaiber +4
Optical-field sampling using second-harmonic generation (SHG) from strong-field ionization enables ultrabroadband terahertz detection, but the microscopic origin of the SHG signal…
physics.atom-ph2025
Low-energy photoelectron structures for arbitrary ellipticity of a strong laser field
Q. Z. Lv, M. Klaiber, P. -L. He +2
Previous attoclock experiments measuring the photoelectron momentum distribution (PMD) via strong-field ionization in an elliptically polarized laser field have shown anomalously l…