Optical cycling in charged complexes with Ra-N bonds
Atomic Physics
2025-06-26 v2 Atomic and Molecular Clusters
Chemical Physics
Computational Physics
Abstract
The extension of laser cooling and trapping techniques to polyatomic molecular ions would have advanced scientific applications such as search of physics outside of the Standard Model, ultracold chemistry etc. We apply the Fock space relativistic coupled cluster method to study low-lying electronic states of molecular ions with Ra--N bonds, namely RaNCH, RaNH and RaNCCH. Prospects of laser cooling of these species are estimated, and the peculiarities of unpaired-electron distributions are analyzed from the point of view of the molecular electronic structure. RaNH and RaNCCH are the first symmetric top molecular ions expected to be suitable for direct laser cooling.
Keywords
Cite
@article{arxiv.2312.02732,
title = {Optical cycling in charged complexes with Ra-N bonds},
author = {Timur Isaev and Alexander V. Oleynichenko and Dmitrii A. Makinskii and Andréi Zaitsevskii},
journal= {arXiv preprint arXiv:2312.02732},
year = {2025}
}