Abstract

Photoelectron circular dichroism (PECD) is a process that leads to a forward-backward asymmetry (with respect to the laser propagation direction) in photoelectron distributions created upon interaction of a circularly or elliptically polarized laser with a chiral molecule. The PECD effect has been shown in a broad range of ionization mechanisms from direct photoionization through multi-photon regime, above-threshold ionization to the tunnel ionization [1]. The fact that the effects of chirality can be observed in the tunnel ionization regime opens up the possibility to connect this fundamental effect to strong-field science with prospects for studying and driving sub-laser-cycle and attosecond phenomena connected to PECD [2]. However, a thorough understanding of PECD in the tunneling regime is of yet missing. In this study the effect of trajectory related parameters like electron energy or CEP on the PECD is investigated in order to determine the role of the scattering on the chiral potential.

© 2019 IEEE

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