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AC Stark Effect in Ultracold Polar 87Rb133Cs Molecules

Gregory, P.D.; Blackmore, J.A.; Aldegunde, J.; Hutson, J.M.; Cornish, S.L.

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Authors

P.D. Gregory

J.A. Blackmore

J. Aldegunde



Abstract

We investigate the effect of far-off-resonant trapping light on ultracold bosonic 87Rb133Cs molecules. We use kHz-precision microwave spectroscopy to measure the differential AC~Stark shifts between the ground and first excited rotational levels of the molecule with hyperfine-state resolution. We demonstrate through both experiment and theory that coupling between neighboring hyperfine states manifests in rich structure with many avoided crossings. This coupling may be tuned by rotating the polarization of the linearly polarized trapping light. A combination of spectroscopic and parametric heating measurements allows complete characterization of the molecule polarizability at a wavelength of 1550~nm in both the ground and first excited rotational states.

Citation

Gregory, P., Blackmore, J., Aldegunde, J., Hutson, J., & Cornish, S. (2017). AC Stark Effect in Ultracold Polar 87Rb133Cs Molecules. Physical Review A, 96(2), Article 021402(R). https://doi.org/10.1103/physreva.96.021402

Journal Article Type Article
Acceptance Date Jun 26, 2017
Online Publication Date Aug 11, 2017
Publication Date Jun 26, 2017
Deposit Date Jun 28, 2017
Publicly Available Date Aug 15, 2017
Journal Physical Review A
Print ISSN 2469-9926
Electronic ISSN 2469-9934
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 96
Issue 2
Article Number 021402(R)
DOI https://doi.org/10.1103/physreva.96.021402

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

Copyright Statement
Published by the American Physical Society under the terms of the
Creative Commons Attribution 4.0 International license. Further
distribution of this work must maintain attribution to the author(s)
and the published article’s title, journal citation, and DOI.







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