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State Preparation and Dynamics of Ultracold Atoms in Higher Lattice Orbitals

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Müller, Torben, Fölling, Simon, Widera, Artur, Bloch, Immanuel·2007·Physical Review Letters

Abstract

We report on the realization of a multiorbital system with ultracold atoms in the excited bands of a 3D optical lattice by selectively controlling the band population along a given lattice direction. The lifetime of the atoms in the excited band is found to be considerably longer (10-100 times) than the characteristic time scale for intersite tunneling, thus opening the path for orbital selective many-body physics with ultracold atoms. Upon exciting the atoms from an initial lowest band Mott-insulating state to higher lying bands, we observe the dynamical emergence of coherence in 1D (and 2D), compatible with Bose-Einstein condensation to a nonzero momentum state.

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Crossref · 10.1103/physrevlett.99.200405

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Metadata

Authors
Müller, T., Fölling, S., Widera, A., & Bloch, I.
Venue
Physical Review Letters
Published
2007-11-16
Volume
99
Issue
20
Pages
200405-200405
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2070324034
Cited by
206
References
2
FWCI
7.13
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: State Preparation and Dynamics of Ultracold Atoms in Higher Lattice Orbitals. https://app.cochat.ai/papers/10.1103/physrevlett.99.200405
The paper
Müller, T., Fölling, S., Widera, A., & Bloch, I. (2007). State Preparation and Dynamics of Ultracold Atoms in Higher Lattice Orbitals. Physical Review Letters. https://doi.org/10.1103/physrevlett.99.200405

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.