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Phys. Rev. A 78, 011602(R) (2008) [4 pages]

Atom-atom correlations and relative number squeezing in dissociation of spatially inhomogeneous molecular condensates

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Magnus Ögren and K. V. Kheruntsyan
ARC Centre of Excellence for Quantum-Atom Optics, School of Physical Sciences, University of Queensland, Brisbane, Queensland 4072, Australia

Received 26 February 2008; published 16 July 2008

We study atom-atom correlations and relative number squeezing in the dissociation of a Bose-Einstein condensate (BEC) of molecular dimers made of either bosonic or fermionic atom pairs. Our treatment addresses the role of the spatial inhomogeneity of the molecular BEC on the strength of correlations in the short time limit. We obtain explicit analytic results for the density-density correlation functions in momentum space, and show that the correlation widths and the degree of relative number squeezing are determined merely by the shape of the molecular condensate.

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.78.011602
DOI:
10.1103/PhysRevA.78.011602
PACS:
03.75.Nt, 03.65.−w, 05.30.−d, 33.80.Gj