Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2007-02-27
Physics
Condensed Matter
Other Condensed Matter
Proceedings of the 20th International Conference on Atomic Physics (ICAP 2006), edited by C. Roos, H. Haffner, and R. Blatt, A
Scientific paper
10.1063/1.2400647
Interference experiments with independent condensates provide a powerful tool for analyzing correlation functions. Scaling of the average fringe contrast with the system size is determined by the two-point correlation function and can be used to study the Luttinger liquid liquid behavior in one-dimensional systems and to observe the Kosterlitz-Thouless transition in two-dimensional quasicondensates. Additionally, higher moments of the fringe contrast can be used to determine the higher order correlation functions. In this article we focus on interference experiments with one-dimensional Bose liquids and show that methods of conformal field theory can be applied to calculate the full quantum distribution function of the fringe contrast.
Altman Ehud
Demler Eugene
Gritsev Vladimir
Polkovnikov Anatoli
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