A quantum many-body spin system in an optical lattice clock
Abstract
Strongly interacting quantum many-body systems arise in many areas of physics, but their complexity generally precludes exact solutions to their dynamics. We explored a strongly interacting two-level system formed by the clock states in ^(87)Sr as a laboratory for the study of quantum many-body effects. Our collective spin measurements reveal signatures of the development of many-body correlations during the dynamical evolution. We derived a many-body Hamiltonian that describes the experimental observation of atomic spin coherence decay, density-dependent frequency shifts, severely distorted lineshapes, and correlated spin noise. These investigations open the door to further explorations of quantum many-body effects and entanglement through use of highly coherent and precisely controlled optical lattice clocks.
Additional Information
© 2013 American Association for the Advancement of Science. Received 22 February 2013; accepted 1 July 2013. We thank S. Blatt, J. Thomsen, W. Zhang, T. Nicholson, J. Williams, B. Bloom, and S. Campbell for technical help and A. D. Ludlow, K. R. A. Hazzard, M. Foss-Feig, A. J. Daley, and J. K. Thompson for discussions. The work is supported by the National Institute of Standards and Technology, Defense Advanced Research Projects Agency Optical Lattice Emulator Program administered by Army Research Office, NSF, and Air Force Office of Scientific Research. M.B. acknowledges support from the National Defense Science and Engineering Graduate fellowship program. A.V.G. acknowledges support from NSF IQIM, the Lee A. DuBridge Foundation, and the Gordon and Betty Moore Foundation.Attached Files
Submitted - 1212.6291v1.pdf
Supplemental Material - Martin-SM.pdf
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Additional details
- Eprint ID
- 38859
- Resolver ID
- CaltechAUTHORS:20130607-140404018
- National Institute of Standards and Technology (NIST)
- Defense Advanced Research Projects Agency (DARPA) Optical Lattice Emulator Program
- Army Research Office (ARO)
- NSF
- Air Force Office of Scientific Research (AFOSR)
- National Defense Science and Engineering Graduate fellowship program
- Institute for Quantum Information and Matter (IQIM)
- Lee A. DuBridge Foundation
- Gordon and Betty Moore foundation
- Created
-
2013-06-11Created from EPrint's datestamp field
- Updated
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2021-11-09Created from EPrint's last_modified field
- Caltech groups
- Institute for Quantum Information and Matter