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Quantum Chemistry

Magneto-Optical Trapping of a Metal Hydride Molecule

arXiv
Authors: Jinyu Dai, Benjamin Riley, Qi Sun, Debayan Mitra, Tanya Zelevinsky

Year

2025

Paper ID

36192

Status

Preprint

Abstract Read

~2 min

Abstract Words

102

Citations

N/A

Abstract

We demonstrate a three-dimensional magneto-optical trap (MOT) of a metal hydride molecule, CaH. We are able to scatter sim104 photons with vibrational loss covered up to vibrational quantum number ν=2. This allows us to laser slow the molecular beam near zero velocity with a "white-light" technique and subsequently load it into a radio-frequency MOT. The MOT contains 230(40) molecules, limited by beam source characteristics and predissociative loss of CaH. The temperature of the MOT is below one millikelvin. The predissociative loss mechanism could, in turn, facilitate controlled dissociation of the molecule, offering a possible route to optical trapping of hydrogen atoms for precision spectroscopy.

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  • This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
  • It adds a 2025 reference point for readers tracking recent quantum research.
  • We demonstrate a three-dimensional magneto-optical trap (MOT) of a metal hydride molecule, CaH.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2512.22350 [2] arXiv https://arxiv.org/abs/2512.22350 [3] Publisher https://arxiv.org/abs/2512.22350

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