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

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

84 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

General Physics and Astronomy

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10.1103/PhysRevLett.125.043401

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title = "Observation of collisions between two ultracold ground-State CaF molecules",

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.",

author = "Cheuk, \{Lawrence W.\} and Lo{\"i}c Anderegg and Yicheng Bao and Sean Burchesky and Yu, \{Scarlett S.\} and Wolfgang Ketterle and Ni, \{Kang Kuen\} and Doyle, \{John M.\}",

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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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JO - Physical review letters

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Observation of collisions between two ultracold ground-State CaF molecules

Abstract

All Science Journal Classification (ASJC) codes

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