Phys. Rev. A 65, 033620 (2002) [4 pages]Measurement-induced squeezing of a Bose-Einstein condensate |
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Diego A. R. Dalvit1, Jacek Dziarmaga1,2, and Roberto Onofrio1,3,4
1Los Alamos National Laboratory, Los Alamos, New Mexico 87545
2Intytut Fizyki Uniwersytetu Jagiellońskiego, 30-059 Kraków, Poland
3Dipartimento di Fisica “G. Galilei,” Università di Padova, Padova 35131, Italy
44 INFM, Unita di Roma 1, Rome 00185, Italy
Received 18 June 2001; published 27 February 2002
We discuss the dynamics of a Bose-Einstein condensate during its nondestructive imaging. A generalized Lindblad superoperator in the condensate master equation is used to include the effect of the measurement. A continuous imaging with a sufficiently high laser intensity progressively drives the quantum state of the condensate into number squeezed states. Observable consequences of such a measurement-induced squeezing are discussed.
©2002 The American Physical Society
URL: http://link.aps.org/abstract/PRA/v65/e033620
DOI: 10.1103/PhysRevA.65.033620
PACS: 03.75.Fi, 03.65.Ta
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