Ramsey interference in one dimensional systems: The full distribution function of fringe contrast as a probe of many-body dynamics

Takuya Kitagawa , Susanne Pielawa , Adilet Imambekov , J\"org Schmiedmayer , Vladimir Gritsev , Eugene Demler

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classification ❄️ cond-mat.quant-gas

keywords distributioninterferenceramseycontrastdimensionalexperimentsfringefull

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We theoretically analyze Ramsey interference experiments in one dimensional quasi-condensates and obtain explicit expressions for the time evolution of full distribution functions of fringe contrast. We show that distribution functions contain unique signatures of the many-body mechanism of decoherence. We argue that Ramsey interference experiments provide a powerful tool for analyzing strongly correlated nature of 1D interacting systems.

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Ramsey interference in one dimensional systems: The full distribution function of fringe contrast as a probe of many-body dynamics

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