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Dynamics, dephasing and clustering of impurity atoms in Bose-Einstein condensates

Abstract:

We investigate the influence of a Bose-Einstein condensate (BEC) on the properties of immersed impurity atoms, which are trapped in an optical lattice. Assuming a weak coupling of the impurity atoms to the BEC, we derive a quantum master equation (QME) for the lattice system. In the special case of fixed impurities with two internal states the atoms represent a quantum register and the QME reproduces the exact evolution of the qubits. We characterize the qubit dephasing which is caused by the...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1088/1367-2630/9/11/411

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Research group:
Dieter Jaksch Theory Group
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Research group:
Dieter Jaksch Theory Group
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Research group:
Dieter Jaksch Theory Group
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Research group:
Dieter Jaksch Theory Group
Oxford college:
Keble College
Role:
Author

Contributors

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Funding agency for:
Klein, A
More from this funder
Funding agency for:
Bruderer, M
Publisher:
Institute of Physics Publishing Ltd. Publisher's website
Journal:
New Journal of Physics Journal website
Volume:
9
Issue:
11
Article number:
411
Publication date:
2007-11-01
DOI:
EISSN:
1367-2630
Language:
English
Keywords:
Subjects:
UUID:
uuid:51f8188d-503e-4a4d-bca5-562c0c78520e
Local pid:
ora:2496
Deposit date:
2009-01-09

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