Long-range Rydberg–Rydberg interactions in calcium, strontium and ytterbium

Vaillant, C.L.; Jones, M.P.A.; Potvliege , R.M.

doi:10.1088/0953-4075/45/13/135004

Long-range Rydberg–Rydberg interactions in calcium, strontium and ytterbium

Vaillant, C.L.; Jones, M.P.A.; Potvliege , R.M.

Authors

C.L. Vaillant

Professor Matthew Jones m.p.a.jones@durham.ac.uk
Professor

Dr Robert Potvliege r.m.potvliege@durham.ac.uk
Associate Professor

Abstract

Long-range dipole–dipole and quadrupole–quadrupole interactions between pairs of Rydberg atoms are calculated perturbatively for calcium, strontium and ytterbium within the Coulomb approximation. Quantum defects, obtained by fitting existing laser spectroscopic data, are provided for all S, P, D and F series of strontium and for the 3P2 series of calcium. The results show qualitative differences with the alkali metal atoms, including isotropically attractive interactions of the strontium 1S0 states and a greater rarity of Förster resonances. Only two such resonances are identified, both in triplet series of strontium. The angular dependence of the long-range interaction is briefly discussed.

Citation

Vaillant, C., Jones, M., & Potvliege, R. (2012). Long-range Rydberg–Rydberg interactions in calcium, strontium and ytterbium. Journal of Physics B: Atomic, Molecular and Optical Physics, 45(13), Article 135004. https://doi.org/10.1088/0953-4075/45/13/135004

Journal Article Type	Article
Publication Date	Jul 1, 2012
Deposit Date	Mar 15, 2013
Publicly Available Date	Apr 24, 2013
Journal	Journal of Physics B: Atomic, Molecular and Optical Physics
Print ISSN	0953-4075
Electronic ISSN	1361-6455
Publisher	IOP Publishing
Peer Reviewed	Peer Reviewed
Volume	45
Issue	13
Article Number	135004
DOI	https://doi.org/10.1088/0953-4075/45/13/135004