Strong parity-violation effects induced by large-amplitude motions: A quantum-dynamics study of substituted chiral methanols

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1. Verfasser: Sunaga, Ayaki
Format: Preprint
Veröffentlicht: 2024
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author Sunaga, Ayaki
author_facet Sunaga, Ayaki
contents An enhanced mechanism is proposed for the large-amplitude-motion-induced parity-violating frequency by integrating the exact quantum dynamics method with the relativistic electronic structure theory. The torsional wavefunctions and PV frequency shifts are obtained by the exact quantum dynamics method. The potential energy curve and PV energy along the torsional coordinates are calculated using the extended atomic mean-field two-component Hamiltonian. The predicted PV frequency shift for the torsional transition of CFClBrOH is approximately 100 times larger than that of the conventional C-F stretching mode of CHFClBr. The maximum PV frequency shift (3.2 Hz) is obtained in the CHBrIOH molecule.
format Preprint
id arxiv_https___arxiv_org_abs_2411_02302
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Strong parity-violation effects induced by large-amplitude motions: A quantum-dynamics study of substituted chiral methanols
Sunaga, Ayaki
Atomic Physics
High Energy Physics - Phenomenology
Chemical Physics
An enhanced mechanism is proposed for the large-amplitude-motion-induced parity-violating frequency by integrating the exact quantum dynamics method with the relativistic electronic structure theory. The torsional wavefunctions and PV frequency shifts are obtained by the exact quantum dynamics method. The potential energy curve and PV energy along the torsional coordinates are calculated using the extended atomic mean-field two-component Hamiltonian. The predicted PV frequency shift for the torsional transition of CFClBrOH is approximately 100 times larger than that of the conventional C-F stretching mode of CHFClBr. The maximum PV frequency shift (3.2 Hz) is obtained in the CHBrIOH molecule.
title Strong parity-violation effects induced by large-amplitude motions: A quantum-dynamics study of substituted chiral methanols
topic Atomic Physics
High Energy Physics - Phenomenology
Chemical Physics
url https://arxiv.org/abs/2411.02302