3 papers
physics.atom-ph2025
Over-Barrier Ionization Dynamics Studied by Backpropagation
Yongzhe Ma, Qingcao Liu, Hongcheng Ni +1
Tunneling and over-barrier ionization are the primary processes of strong-field ionization of atoms and molecules. While the dynamics of tunneling ionization have been extensively…
physics.atom-ph2023
Attosecond Ionization Time Delays in Strong-Field Physics
Yongzhe Ma, Hongcheng Ni, Jian Wu
Electronic processes within atoms and molecules reside on the timescale of attoseconds. Recent advances in the laser-based pump-probe interrogation techniques have made possible th…
physics.atom-ph2023
Instantaneous Quasiphoton in Strong-Field Ionization
Yongzhe Ma, Hongcheng Ni, Yang Li +2
Photon is a concept that does not apply at the instantaneous level when light is described by classical electromagnetic fields. Exploiting the dynamical rotational symmetry of circ…