Observation of collisions between two ultracold ground-State CaF molecules

Lawrence W. Cheuk; Loïc Anderegg; Yicheng Bao; Sean Burchesky; Scarlett S. Yu; Wolfgang Ketterle; Kang Kuen Ni; John M. Doyle

doi:10.1103/PhysRevLett.125.043401

Observation of collisions between two ultracold ground-State CaF molecules

Lawrence W. Cheuk, Loïc Anderegg, Yicheng Bao, Sean Burchesky, Scarlett S. Yu, Wolfgang Ketterle, Kang Kuen Ni, John M. Doyle

Physics

Research output: Contribution to journal › Article › peer-review

60 Scopus citations

Abstract

We measure inelastic collisions between ultracold CaF molecules by combining two optical tweezers, each containing a single molecule. We observe collisions between, and in excited hyperfine and rotational states. In the absolute ground state, we find a two-body loss rate of, which is below, but close to, the predicted universal loss rate.

Original language	English (US)
Article number	043401
Journal	Physical review letters
Volume	125
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevLett.125.043401
State	Published - Jul 24 2020

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.125.043401

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abstract = "We measure inelastic collisions between ultracold CaF molecules by combining two optical tweezers, each containing a single molecule. We observe collisions between, and in excited hyperfine and rotational states. In the absolute ground state, we find a two-body loss rate of, which is below, but close to, the predicted universal loss rate.",

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AU - Cheuk, Lawrence W.

AU - Anderegg, Loïc

AU - Bao, Yicheng

AU - Burchesky, Sean

AU - Yu, Scarlett S.

AU - Ketterle, Wolfgang

AU - Ni, Kang Kuen

AU - Doyle, John M.

PY - 2020/7/24

Y1 - 2020/7/24

N2 - We measure inelastic collisions between ultracold CaF molecules by combining two optical tweezers, each containing a single molecule. We observe collisions between, and in excited hyperfine and rotational states. In the absolute ground state, we find a two-body loss rate of, which is below, but close to, the predicted universal loss rate.

AB - We measure inelastic collisions between ultracold CaF molecules by combining two optical tweezers, each containing a single molecule. We observe collisions between, and in excited hyperfine and rotational states. In the absolute ground state, we find a two-body loss rate of, which is below, but close to, the predicted universal loss rate.

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Observation of collisions between two ultracold ground-State CaF molecules

Abstract

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