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Many-body physics with alkaline-earth Rydberg lattices.

Mukherjee, R. and Millen, J. and Nath, R. and Jones, M.P.A. and Pohl, T. (2011) 'Many-body physics with alkaline-earth Rydberg lattices.', Journal of physics B : atomic, molecular and optical physics., 44 (18). p. 184010.

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 C6 coefficients for the Sr(5sns 1S0) 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.

Item Type:Article
Full text:(AM) Accepted Manuscript
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1088/0953-4075/44/18/184010
Publisher statement:© 2011 IOP Publishing.
Date accepted:No date available
Date deposited:24 April 2013
Date of first online publication:2011
Date first made open access:No date available

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