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Ultracold RbSr Molecules Can Be Formed by Magnetoassociation

Żuchowski, PS; Aldegunde, J; Hutson, JM

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PS Żuchowski

J Aldegunde


We investigate the interactions between ultracold alkali-metal atoms and closed-shell atoms using electronic structure calculations on the prototype system Rb+Sr. There are molecular bound states that can be tuned across atomic thresholds with a magnetic field and previously neglected terms in the collision Hamiltonian that can produce zero-energy Feshbach resonances with significant widths. The largest effect comes from the interaction-induced variation of the Rb hyperfine coupling. The resonances may be used to form paramagnetic polar molecules if the magnetic field can be controlled precisely enough.


Żuchowski, P., Aldegunde, J., & Hutson, J. (2010). Ultracold RbSr Molecules Can Be Formed by Magnetoassociation. Physical Review Letters, 105(15), Article 153201.

Journal Article Type Article
Publication Date Oct 1, 2010
Deposit Date Feb 2, 2012
Publicly Available Date Jul 10, 2013
Journal Physical Review Letters
Print ISSN 0031-9007
Electronic ISSN 1079-7114
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 105
Issue 15
Article Number 153201


Published Journal Article (473 Kb)

Copyright Statement
© 2010 The American Physical Society

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