Creation of coherence in Bose-Einstein condensates by atom detection

Horak, Peter and Barnett, Stephen M. (1999) Creation of coherence in Bose-Einstein condensates by atom detection. Journal of Physics B: Atomic, Molecular and Optical Physics, 32. pp. 3421-3436. ISSN 0953-4075 (https://doi.org/10.1088/0953-4075/32/14/312)

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Abstract

We investigate the creation of a relative phase between two Bose-Einstein condensates, initially in number states, by detection of atoms and show how the system approaches a coherent state. Two very distinct time scales are found: one for the creation of the interference is of the order of the detection time for a few single atoms and another, for the preparation of coherent states, is of the order of the detection time for a significant fraction of the total number of atoms. Approximate analytic solutions are derived and compared with exact numerical results.

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• Item metadata

  Item type:	Article
  ID code:	5830
  Dates:	Date Event 1999 Published
  Subjects:	Science > Physics > Optics. Light
  Department:	Faculty of Science > Physics
  Depositing user:	Strathprints Administrator
  Date deposited:	14 Apr 2008
  Last modified:	08 Apr 2024 15:42
  Related URLs:	Related item
  URI:	https://strathprints.strath.ac.uk/id/eprint/5830