XUV ionization of the H$_2$ molecule studied with attosecond angular streaking
Abstract
We study orientation and two-center interference effects in attosecond time-resolved photoionization of the H molecule. Time resolution of XUV ionization of H is gained through the phase retrieval capability of attosecond angular streaking demonstrated earlier by Kheifets {\em et al} [arXiv:2202.06147 (2022)]. Once applied to H, this technique delivers an anisotropic phase and time delay which both depend sensitively on the molecular axis orientation. In addition, the photoelectron momentum distribution displays a very clear two-center interference pattern. When the interference formula due to Walter and Briggs [J. Phys. B {\bf 32} 2487 (1999)] is applied, an effective photoelectron momentum appears to be greater than the asymptotic momentum at the detector. This effect is explained by a molecular potential well surrounding the photoemission center.
Keywords
Cite
@article{arxiv.2204.09161,
title = {XUV ionization of the H$_2$ molecule studied with attosecond angular streaking},
author = {Vladislav V. Serov and Anatoli S. Kheifets},
journal= {arXiv preprint arXiv:2204.09161},
year = {2026}
}
Comments
8 pages, 7 figures. arXiv admin note: text overlap with arXiv:2202.06147