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Hyperfine structure of 2Σ molecules containing alkaline-earth-metal atoms.

Aldegunde, Jesus and Hutson, Jeremy M. (2018) 'Hyperfine structure of 2Σ molecules containing alkaline-earth-metal atoms.', Physical review A., 97 (4). 042505.


Ultracold molecules with both electron spin and an electric dipole moment offer new possibilities in quantum science. We use density-functional theory to calculate hyperfine coupling constants for a selection of molecules important in this area, including RbSr, LiYb, RbYb, CaF, and SrF. We find substantial hyperfine coupling constants for the fermionic isotopes of the alkaline-earth-metal and Yb atoms. We discuss the hyperfine level patterns and Zeeman splittings expected for these molecules. The results will be important both to experiments aimed at forming ultracold open-shell molecules and to their applications.

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Publisher statement:Reprinted with permission from the American Physical Society: Aldegunde, Jesus & Hutson, Jeremy M. (2018). Hyperfine structure of 2Σ molecules containing alkaline-earth-metal atoms. Physical Review A 97(4): 042505 © 2018 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.
Date accepted:26 November 2017
Date deposited:26 April 2018
Date of first online publication:17 April 2018
Date first made open access:26 April 2018

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