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Resolved Atomic Interaction Sidebands in an Optical Clock Transition

Bishof, M. and Lin, Y. and Swallows, M. D. and Gorshkov, A. V. and Ye, J. and Rey, A. M. (2011) Resolved Atomic Interaction Sidebands in an Optical Clock Transition. Physical Review Letters, 106 (25). Art. No. 250801. ISSN 0031-9007. doi:10.1103/PhysRevLett.106.250801.

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We report the observation of resolved atomic interaction sidebands (ISB) in the ^(87)Sr optical clock transition when atoms at microkelvin temperatures are confined in a two-dimensional optical lattice. The ISB are a manifestation of the strong interactions that occur between atoms confined in a quasi-one-dimensional geometry and disappear when the confinement is relaxed along one dimension. The emergence of ISB is linked to the recently observed suppression of collisional frequency shifts. At the current temperatures, the ISB can be resolved but are broad. At lower temperatures, ISB are predicted to be substantially narrower and useful spectroscopic tools in strongly interacting alkaline-earth gases.

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Additional Information:© 2011 American Physical Society. Received 4 February 2011; published 22 June 2011. We thank M. Martin and S. Blatt. This work was supported by ARO DARPA OLE, NIST, NSF, AFOSR, NRC, Lee A. DuBridge Foundation, and NDSEG.
Group:Institute for Quantum Information and Matter
Funding AgencyGrant Number
Army Research Office (ARO)-Defense Advanced Research Projects Agency (DARPA)UNSPECIFIED
National Institute of Standards and Technology (NIST)UNSPECIFIED
Air Force Office of Scientific Research (AFOSR)UNSPECIFIED
Nuclear Regulatory Commission (NRC)UNSPECIFIED
Lee A. DuBridge FoundationUNSPECIFIED
National Defense Science and Engineering Graduate Fellowship (NDSEG)UNSPECIFIED
Issue or Number:25
Classification Code:PACS: 06.30.Ft, 03.75.Ss, 06.20.-f, 32.30.-r
Record Number:CaltechAUTHORS:20110711-111702348
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:24358
Deposited By: Tony Diaz
Deposited On:13 Jul 2011 22:54
Last Modified:09 Nov 2021 16:22

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