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Collective Quantum Jumps of Rydberg Atoms

Lee, Tony E. and Häffner, H. and Cross, M. C. (2012) Collective Quantum Jumps of Rydberg Atoms. Physical Review Letters, 108 (2). Art. No. 023602 . ISSN 0031-9007. doi:10.1103/PhysRevLett.108.023602.

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We study an open quantum system of atoms with a long-range Rydberg interaction, laser driving, and spontaneous emission. Over time, the system occasionally jumps between a state of low Rydberg population and a state of high Rydberg population. The jumps are inherently collective, and in fact, exist only for a large number of atoms. We explain how entanglement and quantum measurement enable the jumps, which are otherwise classically forbidden.

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Additional Information:© 2012 American Physical Society. Received 29 September 2011; published 9 January 2012. We thank G. Refael, R. Lifshitz, J. Honer, and A. Gorshkov for useful discussions. This work was supported by NSF Grant No. DMR-1003337.
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Issue or Number:2
Classification Code:PACS: 42.50.Lc, 03.65.Yz, 32.80.Rm, 42.65.Pc
Record Number:CaltechAUTHORS:20120203-094212729
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:29114
Deposited By: Tony Diaz
Deposited On:27 Feb 2012 23:51
Last Modified:09 Nov 2021 17:04

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