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Creation of macroscopic superposition states from arrays of
Bose-Einstein condensates
J. A. Dunningham, K. Burnett, R. Roth, W. D. Phillips
abstract: We consider how macroscopic quantum superpositions may be created from arrays
of Bose-Einstein condensates. We study a system of three condensates in Fock
states, all with the same number of atoms and show that this has the form of a
highly entangled superposition of different quasi-momenta. We then show how, by
partially releasing these condensates and detecting an interference pattern
where they overlap, it is possible to create a macroscopic superposition of
different relative phases for the remaining portions of the condensates. We
discuss methods for confirming these superpositions.
- oai_identifier:
- oai:arXiv.org:quant-ph/0608242
- categories:
- quant-ph
- comments:
- 7 pages, 5 figures
- doi:
- 10.1088/1367-2630/8/9/182
- arxiv_id:
- quant-ph/0608242
- created:
- 2006-08-30
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