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Atom-atom correlations in colliding Bose-Einstein condensates

Ögren, Magnus LU and Kheruntsyan, K. V. (2009) In Physical Review A 79(2).
Abstract
We analyze atom-atom correlations in the s-wave scattering halo of two colliding condensates. By developing a simple perturbative approach, we obtain explicit analytic results for the collinear (CL) and back-to-back (BB) correlations corresponding to realistic density profiles of the colliding condensates with interactions. The results in the short-time limit are in agreement with the first-principles simulations using the positive-P representation and provide analytic insights into the experimental observations of Perrin et al. [Phys. Rev. Lett. 99, 150405 (2007)]. For long collision durations, we predict that the BB correlation becomes broader than the CL correlation.
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
atom-atom collisions, sodium, Bose-Einstein condensation
in
Physical Review A
volume
79
issue
2
publisher
American Physical Society (APS)
external identifiers
  • scopus:61849093219
DOI
10.1103/PhysRevA.79.021606
language
English
LU publication?
yes
id
3e888ec6-53d1-4470-9832-e70d77e5dd46 (old id 1391260)
date added to LUP
2009-04-29 09:53:33
date last changed
2017-08-20 04:48:13
@article{3e888ec6-53d1-4470-9832-e70d77e5dd46,
  abstract     = {We analyze atom-atom correlations in the s-wave scattering halo of two colliding condensates. By developing a simple perturbative approach, we obtain explicit analytic results for the collinear (CL) and back-to-back (BB) correlations corresponding to realistic density profiles of the colliding condensates with interactions. The results in the short-time limit are in agreement with the first-principles simulations using the positive-P representation and provide analytic insights into the experimental observations of Perrin et al. [Phys. Rev. Lett. 99, 150405 (2007)]. For long collision durations, we predict that the BB correlation becomes broader than the CL correlation.},
  articleno    = {021606},
  author       = {Ögren, Magnus and Kheruntsyan, K. V.},
  keyword      = {atom-atom collisions,sodium,Bose-Einstein condensation},
  language     = {eng},
  number       = {2},
  publisher    = {American Physical Society (APS)},
  series       = {Physical Review A},
  title        = {Atom-atom correlations in colliding Bose-Einstein condensates},
  url          = {http://dx.doi.org/10.1103/PhysRevA.79.021606},
  volume       = {79},
  year         = {2009},
}