Technique for measuring correlation functions in interacting gases

Lobo, C. and Gensemer, S. (2008) Technique for measuring correlation functions in interacting gases Physical Review A, 78, (2), 023618-023622. (doi:10.1103/PhysRevA.78.023618).


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We propose an experimental method that allows for scaling of all the diagonal correlation functions (such as the density and pair correlation function) during the expansion of harmonically trapped cold atomic gases with arbitrary interactions even if the trapping is anisotropic. To do this we require that the interaction be tunable by the use of a Feshbach resonance and that the trapping potential can be manipulated independently along the axial and radial directions. This permits a much greater accuracy and resolution in measurements of correlation functions. We explain the explicit control procedure, outline the scaling ansatz that we use, and briefly discuss the systems where it could be applied as well as possible experimental obstacles to its implementation.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1103/PhysRevA.78.023618
ISSNs: 1050-2947 (print)
ePrint ID: 156297
Date :
Date Event
11 August 2008Published
Date Deposited: 01 Jun 2010 08:42
Last Modified: 18 Apr 2017 04:02
Further Information:Google Scholar

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