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Many-body physics with alkaline-earth Rydberg lattices

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Mukherjee,  R.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Nath,  R.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Pohl,  T.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Citation

Mukherjee, R., Millen, J., Nath, R., Jones, M. P. A., & Pohl, T. (2011). Many-body physics with alkaline-earth Rydberg lattices. Journal of Physics B-Atomic Molecular and Optical Physics, 44(18 Sp. Iss. SI): 184010.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0029-8C13-D
Abstract
We explore the prospects for confining alkaline-earth Rydberg atoms in an optical lattice via optical dressing of the secondary core-valence electron. Focussing on the particular case of strontium, we identify experimentally accessible magic wavelengths for simultaneous trapping of ground and Rydberg states. A detailed analysis of relevant loss mechanisms shows that the overall lifetime of such a system is limited only by the spontaneous decay of the Rydberg state, and is not significantly affected by photoionization or autoionization. The van der Waals C(6) coefficients for the Sr(5sns (1)S(0)) Rydberg series are calculated, and we find that the interactions are attractive. Finally we show that the combination of magic-wavelength lattices and attractive interactions could be exploited to generate many-body Greenberger-Horne-Zeilinger states.