Faculté des sciences

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

Kitagawa, Takuya ; Pielawa, Susanne ; Imambekov, Adilet ; Schmiedmayer, Jörg ; Gritsev, Vladimir ; Demler, Eugene

In: Physical Review Letters, 2010, vol. 104, p. 255302

We theoretically analyze Ramsey interference experiments in one-dimensional quasicondensates 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... Plus

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    Summary
    We theoretically analyze Ramsey interference experiments in one-dimensional quasicondensates 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.