Third-order spatial correlations for ultracold atoms

A. G. Manning; Wu Rugway; S. S. Hodgman; R. G. Dall; K. G.H. Baldwin; A. G. Truscott

doi:10.1088/1367-2630/15/1/013042

Third-order spatial correlations for ultracold atoms

A. G. Manning, Wu Rugway, S. S. Hodgman, R. G. Dall, K. G.H. Baldwin, A. G. Truscott^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

We present here the first measurement of the third-order spatial correlation function for atoms, made possible by cooling a metastable helium cloud to create an ultracold thermal ensemble just above the Bose-Einstein condensation point. The resulting large correlation length well exceeds the spatial resolution limit of the single-atom detection system, and enables extension of our earlier temporal measurements to evaluate the third-order correlation function in the spatial plane of the detector. The enhancement of the spatial third-order correlation function above a value of unity demonstrates the presence of spatial three-atom bunching, as expected for an incoherent source.

Original language	English
Article number	013042
Journal	New Journal of Physics
Volume	15
DOIs	https://doi.org/10.1088/1367-2630/15/1/013042
Publication status	Published - Jan 2013

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AU - Dall, R. G.

AU - Baldwin, K. G.H.

AU - Truscott, A. G.

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AB - We present here the first measurement of the third-order spatial correlation function for atoms, made possible by cooling a metastable helium cloud to create an ultracold thermal ensemble just above the Bose-Einstein condensation point. The resulting large correlation length well exceeds the spatial resolution limit of the single-atom detection system, and enables extension of our earlier temporal measurements to evaluate the third-order correlation function in the spatial plane of the detector. The enhancement of the spatial third-order correlation function above a value of unity demonstrates the presence of spatial three-atom bunching, as expected for an incoherent source.

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JO - New Journal of Physics

JF - New Journal of Physics

M1 - 013042

ER -

Third-order spatial correlations for ultracold atoms

Abstract

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