Perturbation theory analysis of attosecond photoionization

Electron Interference in Molecular Circular Polarization Attosecond XUV Photoionization

Two-center electron interference in molecular attosecond photoionization processes is investigated from numerical solutions of time-dependent Schrödinger equations. Both symmetric H2 and nonsymmetric HHe 2+ one electron diatomic systems are ionized by intense attosecond circularly polarized XUV laser pulses. Photoionization of these molecular ions shows signature of interference with double pea...

Attosecond time delay spectroscopy of the hydrogen molecule

Attosecond science has extended experimental studies of atomic and molecular photoionization into a new dimension. In atoms, a time delay between absorption of an attosecond XUV pulse and subsequent emission of a photoelectron has been measured [1, 2, 3]. In molecules, electron localization and attosecond control have been demonstrated in pump-probe photoionization experiments [4, 5]. Experimen...

Perturbation-theory analysis of ionization by a chirped few-cycle attosecond pulse

Theoretical Analysis and Numerical Simulation of Attosecond Time Delays in Photoionization

Molecular alignment dependent electron interference in attosecond ultraviolet photoionization

We present molecular photoionization processes by intense attosecond ultraviolet laser pulses from numerical solutions of time-dependent Schrödinger equations. Simulations preformed on a single electron diatomic [Formula: see text] show minima in molecular photoelectron energy spectra resulting from two center interference effects which depend strongly on molecular alignment. We attribute such ...