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Flavor Degeneracy and Effects of Disorder in Ultracold Atom Systems

Part of the Advances in Solid State Physics book series (ASSP,volume 45)

Abstract

Cold atoms in optical lattices offer an exciting new laboratory where quantum many-body phenomena can be realized in a highly controlled way. They can serve as quantum simulators for notoriously difficult problems like high-temperature superconductivity. This review is focused on recent developments and new results in multi-component systems. Fermionic atoms with SU(N) symmetry have exotic superfluid and flavor-ordered ground states. We discuss symmetry breaking, collective modes and detection issues. Bosonic multi-flavor ensembles allow for engineering of spin Hamiltonians which are interesting from a quantum computation point of view. Finally, we will address the competition of disorder and interaction in optical lattices. We present a complete phase diagram obtained within dynamical mean-field theory and discuss experimental observability of the Mott and Anderson phases.

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  • DOI: 10.1007/11423256_9
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Hofstetter, W. Flavor Degeneracy and Effects of Disorder in Ultracold Atom Systems. In: Kramer, B. (eds) Advances in Solid State Physics. Advances in Solid State Physics, vol 45. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11423256_9

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  • DOI: https://doi.org/10.1007/11423256_9

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-26041-7

  • Online ISBN: 978-3-540-32430-0

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