Nature Communications (Oct 2022)

Observing ground-state properties of the Fermi-Hubbard model using a scalable algorithm on a quantum computer

  • Stasja Stanisic,
  • Jan Lukas Bosse,
  • Filippo Maria Gambetta,
  • Raul A. Santos,
  • Wojciech Mruczkiewicz,
  • Thomas E. O’Brien,
  • Eric Ostby,
  • Ashley Montanaro

DOI
https://doi.org/10.1038/s41467-022-33335-4
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 11

Abstract

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The Fermi-Hubbard model represents one of the benchmarks for testing quantum computational methods for condensed matter. Here, the authors are able to reproduce qualitative properties of the model on 1 × 8 and 2 × 4 lattices, by running a VQE-based algorithm on a superconducting quantum processor.