Full symmetry-breaking of electronic and nuclear dynamics for low attosecond resolution of electronic chirality

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Hauptverfasser: Xu, Tianlv, Kong, Jiawen, Zhou, Tianjing, Wang, Yan, Tu, Jingqin, Azizi, Alireza, Kirk, Steven R., Jenkins, Samantha
Format: Preprint
Veröffentlicht: 2026
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author Xu, Tianlv
Kong, Jiawen
Zhou, Tianjing
Wang, Yan
Tu, Jingqin
Azizi, Alireza
Kirk, Steven R.
Jenkins, Samantha
author_facet Xu, Tianlv
Kong, Jiawen
Zhou, Tianjing
Wang, Yan
Tu, Jingqin
Azizi, Alireza
Kirk, Steven R.
Jenkins, Samantha
contents Attosecond science is an emerging topic where chirality plays a central role. Here we demonstrate subjecting iodoacetylene, a geometrically achiral molecule, to a pair of simulated non-ionizing ultrafast circularly polarized laser pulses at the highest time resolution to date, by two orders of magnitude (3.87 attoseconds), of the continuously-valued S and R electronic chirality assignments. We partner the only vector-based quantum chemical physics theory enabling full symmetry-breaking with electronic and nuclear dynamics simulations: the former does not require charge density differences or special symmetry positions. The resulting 'easy' and 'hard' directions of the total electronic charge density motion are quantified as a cardioid-like morphology for the duration of the simulated laser pulses and toroidal afterwards. Future research directions include determination of the underlying mechanism governing chiral induced spin selectivity, in addition to application to chiral spin selective phenomena in opto-spintronics and exotic superconductors, partnered with orbital-free density functional theory (OF-DFT).
format Preprint
id arxiv_https___arxiv_org_abs_2601_07193
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Full symmetry-breaking of electronic and nuclear dynamics for low attosecond resolution of electronic chirality
Xu, Tianlv
Kong, Jiawen
Zhou, Tianjing
Wang, Yan
Tu, Jingqin
Azizi, Alireza
Kirk, Steven R.
Jenkins, Samantha
Chemical Physics
Attosecond science is an emerging topic where chirality plays a central role. Here we demonstrate subjecting iodoacetylene, a geometrically achiral molecule, to a pair of simulated non-ionizing ultrafast circularly polarized laser pulses at the highest time resolution to date, by two orders of magnitude (3.87 attoseconds), of the continuously-valued S and R electronic chirality assignments. We partner the only vector-based quantum chemical physics theory enabling full symmetry-breaking with electronic and nuclear dynamics simulations: the former does not require charge density differences or special symmetry positions. The resulting 'easy' and 'hard' directions of the total electronic charge density motion are quantified as a cardioid-like morphology for the duration of the simulated laser pulses and toroidal afterwards. Future research directions include determination of the underlying mechanism governing chiral induced spin selectivity, in addition to application to chiral spin selective phenomena in opto-spintronics and exotic superconductors, partnered with orbital-free density functional theory (OF-DFT).
title Full symmetry-breaking of electronic and nuclear dynamics for low attosecond resolution of electronic chirality
topic Chemical Physics
url https://arxiv.org/abs/2601.07193