Signatures of the orbital angular momentum of an infrared light beam in the two-photon transition matrix element: A step toward attosecond chronoscopy of photoionization
arXiv:1906.11771 · doi:10.1103/PhysRevA.101.033412
Abstract
We present a theory of time-resolved photoionisation in the presence of a vortex beam. In a pump-probe setup, an extreme ultraviolet or an x-ray pump pulse triggers ionization, which is probed by a synchronized infrared pulse with non-zero orbital angular momentum. We show, how this property of the probe pulse affects the electron dynamics upon ionization, in a way that is independent of the initial and final angular momentum states of the ionizing system.
12 pages, 3 figures
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Cited by in corpus (4)
- Electromagnetic theory of Helicoidal Dichroism in reflection from magnetic structures
- Conservation laws for Electron Vortices in Strong-Field Ionisation
- Electrons in intense laser fields with local phase, polarization, and skyrmionic textures
- High Harmonic Generation with Orbital Angular Momentum Beams: Beyond-dipole Corrections