Magnetic Feshbach resonances in ultracold collisions between Cs and Yb atoms

Yang, B.C.; Frye, Matthew D.; Guttridge, A.; Aldegunde, Jesus; Żuchowski, Piotr S.; Cornish, Simon L.; Hutson, Jeremy M.

doi:10.1103/physreva.100.022704

Magnetic Feshbach resonances in ultracold collisions between Cs and Yb atoms

Yang, B.C.; Frye, Matthew D.; Guttridge, A.; Aldegunde, Jesus; Żuchowski, Piotr S.; Cornish, Simon L.; Hutson, Jeremy M.

Authors

B.C. Yang

Matthew D. Frye

A. Guttridge

Jesus Aldegunde

Piotr S. Żuchowski

Professor Simon Cornish s.l.cornish@durham.ac.uk
Professor

Professor Jeremy Hutson j.m.hutson@durham.ac.uk
Professor

Abstract

We investigate magnetically tunable Feshbach resonances in ultracold collisions between ground-state Yb and Cs atoms, using coupled-channel calculations based on an interaction potential recently determined from photoassociation spectroscopy. We predict resonance positions and widths for all stable isotopes of Yb, together with resonance decay parameters where appropriate. The resonance patterns are richer and more complicated for fermionic Yb than for spin-zero isotopes, because there are additional level splittings and couplings due to scalar and tensorial Yb hyperfine interactions. We examine collisions involving Cs atoms in a variety of hyperfine states and identify resonances that appear most promising for experimental observation and for magnetoassociation to form ultracold CsYb molecules.

Citation

Yang, B., Frye, M. D., Guttridge, A., Aldegunde, J., Żuchowski, P. S., Cornish, S. L., & Hutson, J. M. (2019). Magnetic Feshbach resonances in ultracold collisions between Cs and Yb atoms. Physical Review A, 100(2), Article 022704. https://doi.org/10.1103/physreva.100.022704

Journal Article Type	Article
Acceptance Date	Jul 16, 2019
Online Publication Date	Aug 15, 2019
Publication Date	Aug 31, 2019
Deposit Date	Aug 17, 2019
Publicly Available Date	Aug 20, 2019
Journal	Physical Review A
Print ISSN	2469-9926
Electronic ISSN	2469-9934
Publisher	American Physical Society
Peer Reviewed	Peer Reviewed
Volume	100
Issue	2
Article Number	022704
DOI	https://doi.org/10.1103/physreva.100.022704

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Copyright Statement
Reprinted with permission from the American Physical Society: Yang, B. C., Frye, Matthew D., Guttridge, A., Aldegunde, Jesus, Żuchowski, Piotr S., Cornish, Simon L. & Hutson, Jeremy M. (2019). Magnetic Feshbach resonances in ultracold collisions between Cs and Yb atoms. Physical Review A 100(2): 022704. © 2019 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.