Interferometry below the standard quantum limit with Bose-Einstein condensates

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Dunningham, J.A. and Burnett, K. and Barnett, S.M. (2002) Interferometry below the standard quantum limit with Bose-Einstein condensates. Physical Review Letters, 89 (15). pp. 150401-1. ISSN 1079-7114 (http://dx.doi.org/10.1103/PhysRevLett.89.150401)

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Abstract

We discuss a scheme for using entangled Bose-Einstein condensates to detect phase differences with a resolution better than the standard quantum limit. To date, schemes have shown that the enhancement in phase resolution gained by entangling condensates is lost when dissipation is present. Here we show how this can be overcome by using number correlated condensates, as have been produced recently in the laboratory. We also outline a scheme for measuring this phase that is not destroyed when the effects of finite detector efficiency are considered.

  • Item type:Article
    ID code:2869
    Dates:
    Date
    Event
    September 2002
    Published
    Subjects:Science > Physics > Optics. Light
    Department:Faculty of Science > Physics
    Depositing user: Mr Derek Boyle
    Date deposited:05 Feb 2007
    Last modified:14 Nov 2024 17:12
    URI:https://strathprints.strath.ac.uk/id/eprint/2869
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