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We have created one-, two-, and three-dimensional quantum gases and study the superfluid to Mott insulator transition. Measurements of the transition using Bragg spectroscopy show that the excitation spectra of the low-dimensional superfluids differ significantly from the three-dimensional case.
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35. Acknowledgments: This work was supported by ETH and SNF. T.E. would like to acknowledge the hospitality of the Aspen Center for Physics during the workshop “Exploring the Interface Between Cold Atoms and Condensed Matter Physics: From Strong Correlation To Entanglement”.
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PACS numbers: 05.30.Jp, 03.75.Kk, 03.75.Lm, 73.43.Nq
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Köhl, M., Moritz, H., Stöferle, T. et al. Superfluid to Mott insulator transition in one, two, and three dimensions. J Low Temp Phys 138, 635–644 (2005). https://doi.org/10.1007/s10909-005-2273-4
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DOI: https://doi.org/10.1007/s10909-005-2273-4