Magnetic Feshbach resonances in ultracold collisions between Cs and Yb atoms [dataset]

Hutson, Jeremy M. (Durham University, UK); Frye, Matthew D. (Durham University, UK); Yang, B. C. (Durham University, UK); Żuchowski, Piotr S. (Nicolaus Copernicus University, Poland); Aldegunde, Jesus (Universidad de Salamanca, Spain); Cornish, Simon L. (Durham University, UK); Guttridge, A. (Durham University, UK)

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Magnetic Feshbach resonances in ultracold collisions between Cs and Yb atoms [dataset] Open Access

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.

Descriptions

Resource type: Dataset
Contributors: Creator: Yang, B. C. ¹
Creator: Frye, Matthew D. ¹
Guttridge, A. ¹
Aldegunde, Jesus ²
Żuchowski, Piotr S. ³
Cornish, Simon L. ¹
Creator: Hutson, Jeremy M. ¹

¹ Durham University, UK
² Universidad de Salamanca, Spain
³ Nicolaus Copernicus University, Poland
Funder: Engineering and Physical Sciences Research Council
Spanish Ministry of Science and Innovation
Narodowym Centrum Nauki
Research methods: Ultracold scattering calculations using the MOLSCAT package (available at https://github.com/molscat )
Other description
Keyword: Feshbach resoance
Cs
Yb
Ultracold scattering
Subject
Location
Language
Cited in: arxiv:1905.11977
Identifier: ark:/32150/r2mw22v546t
doi:10.15128/r2mw22v546t
Rights: Creative Commons Attribution 4.0 International (CC BY)
Publisher: Durham University
Date Created

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