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Phys. Rev. A 66, 041601(R) (2002) [4 pages]

Phase measurement of Bose-Einstein condensates in lattices

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J. A. Dunningham
Clarendon Laboratory, Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom

Received 14 April 2002; published 7 October 2002

We discuss how the phase distribution of a Bose-Einstein condensate in an optical lattice may be measured directly using existing experimental techniques. We also demonstrate how a modification of this scheme may be able to resolve states, that are close to the Mott insulator state, much more accurately than present methods. This may be of interest for analyzing the quantum state of condensates in recent experiments.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.66.041601
DOI:
10.1103/PhysRevA.66.041601
PACS:
03.75.Fi, 03.65.Db, 42.50.Dv
 
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