Cited by 184Topological Materials and PhenomenaCold Atom Physics and Bose-Einstein CondensatesAdvanced Condensed Matter Physics

Bloch state tomography using Wilson lines

Open access
Li, Tracy, Duca, Lucia, Reitter, Martin, Grusdt, Fabian, Demler, Eugene, Endres, Manuel, Schleier-Smith, Monika, Bloch, Immanuel +1 more·2016·Science

Abstract

Cold atoms do geometry: Electrons in solids populate energy bands, which can be simulated in cold atom systems using optical lattices. The geometry of the corresponding wave functions determines the topological properties of the system, but getting a direct look is tricky. Fläschner et al. and Li et al. measured the detailed structure of the band wave functions in hexagonal optical lattices, one resembling a boron-nitride and the other a graphene lattice. These techniques will make it possible to explore more complex situations that include the effects of interactions. Science , this issue pp. 1091 and 1094

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  • The method measures Berry curvature directly from wavepacket dynamics without requiring full reconstruction of band eigenstates.

    “with the significant advantage that it does not require a full reconstruction of the band eigenstates as an intermediate step.”

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Authors
Li, T., Duca, L., Reitter, M., Grusdt, F., Demler, E., Endres, M., Schleier-Smith, M., Bloch, I., & Schneider, U.
Affiliations
  • Max Planck Institute of Quantum Optics (DE)
  • Harvard University (US)
  • California Institute of Technology (US)
  • Stanford University (US)
  • University of Cambridge (GB)
Corresponding author
Schneider, Ulrich
Venue
Science
Published
2016-05-27
Volume
352
Issue
6289
Pages
1094-1097
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2395701151
Cited by
184
References
52
Citations by year
2026: 6 · 2025: 8 · 2024: 14 · 2023: 16 · 2022: 20 · 2021: 19 · 2020: 25 · 2019: 24 · 2018: 25 · 2017: 20 · 2016: 7
FWCI
11.98
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • CaltechAUTHORS (California Institute of Technology) (acceptedVersion)
  • Apollo (University of Cambridge) (acceptedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
  • CaltechAUTHORS (California Institute of Technology) (submittedVersion)
  • Max Planck Digital Library (submittedVersion)
  • arXiv (Cornell University)
Funders
  • Alfred P. Sloan Foundation
  • European Commision
  • Nanosystems Initiative Munich
  • NSF (DMR-1308435)
  • Defense Advanced Research Projects Agency
  • Air Force Office of Scientific Research
  • Quantum Simulation Multidisciplinary University Research Initiative (MURI)
  • Army Research Office (ARO)
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Topological Materials and Phenomena
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Cold Atom Physics and Bose-Einstein Condensates
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Advanced Condensed Matter Physics
Keywords
Wilson lines, Bloch states, band geometry, Berry curvature, Chern number, Z2 topological invariant, multiband systems, honeycomb optical lattice, ultracold atoms, rubidium, topological phases

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