Nature Communications (Feb 2023)

Hyperbolic matter in electrical circuits with tunable complex phases

  • Anffany Chen,
  • Hauke Brand,
  • Tobias Helbig,
  • Tobias Hofmann,
  • Stefan Imhof,
  • Alexander Fritzsche,
  • Tobias Kießling,
  • Alexander Stegmaier,
  • Lavi K. Upreti,
  • Titus Neupert,
  • Tomáš Bzdušek,
  • Martin Greiter,
  • Ronny Thomale,
  • Igor Boettcher

DOI
https://doi.org/10.1038/s41467-023-36359-6
Journal volume & issue
Vol. 14, no. 1
pp. 1 – 8

Abstract

Read online

Hyperbolic lattices emulate particle dynamics equivalent to those in negatively curved space, with connections to general relativity. Here, the authors use electric circuits with a novel complex-phase circuit element to simulate hyperbolic graphene with negligible boundary contributions.