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Local and spatially extended sub-Poisson atom-number fluctuations in optical lattices

Local and spatially extended sub-Poisson atom-number fluctuations in optical lattices
Local and spatially extended sub-Poisson atom-number fluctuations in optical lattices
We demonstrate that ultracold interacting bosonic atoms in an optical lattice with large on-site population show sub-Poisson on-site and intersite atom-number fluctuations. The experimental observations agree with numerical predictions of the truncated Wigner approximation. The correlations persist in the presence of multimode atom dynamics and even over large spatially extended samples involving several sites
1050-2947
011609-[4pp]
Gross, C.
08b97cbf-a0b8-40d6-87c2-223a803763d6
Estève, J.
1dac3e1e-ab3c-4d2f-b47c-6e73ec3755e3
Oberthaler, M.
8520fb0e-d677-41eb-bf9a-44ba72ca1944
Martin, A.
169f0afa-12fc-43b5-a72d-7bfc493aa170
Ruostekoski, J.
2beb155e-64b0-4ee9-9cfe-079947a9c9f4
Gross, C.
08b97cbf-a0b8-40d6-87c2-223a803763d6
Estève, J.
1dac3e1e-ab3c-4d2f-b47c-6e73ec3755e3
Oberthaler, M.
8520fb0e-d677-41eb-bf9a-44ba72ca1944
Martin, A.
169f0afa-12fc-43b5-a72d-7bfc493aa170
Ruostekoski, J.
2beb155e-64b0-4ee9-9cfe-079947a9c9f4

Gross, C., Estève, J., Oberthaler, M., Martin, A. and Ruostekoski, J. (2011) Local and spatially extended sub-Poisson atom-number fluctuations in optical lattices. Physical Review A, 84 (1), 011609-[4pp]. (doi:10.1103/PhysRevA.84.011609).

Record type: Article

Abstract

We demonstrate that ultracold interacting bosonic atoms in an optical lattice with large on-site population show sub-Poisson on-site and intersite atom-number fluctuations. The experimental observations agree with numerical predictions of the truncated Wigner approximation. The correlations persist in the presence of multimode atom dynamics and even over large spatially extended samples involving several sites

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More information

Published date: July 2011
Organisations: Applied Mathematics

Identifiers

Local EPrints ID: 195417
URI: http://eprints.soton.ac.uk/id/eprint/195417
ISSN: 1050-2947
PURE UUID: df1cd9a8-e9d2-47da-96f3-22da5f2e4263

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Date deposited: 19 Aug 2011 13:22
Last modified: 08 Nov 2021 19:28

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Contributors

Author: C. Gross
Author: J. Estève
Author: M. Oberthaler
Author: A. Martin
Author: J. Ruostekoski

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