(Left) A schematic of a bilayer graphene Josephson junction device with a tunneling electrode. (Right) Variation of the number of energy levels of Andreev bound states for different gate voltages.

More information: Ruiheng Su et al, Moiré-driven topological electronic crystals in twisted graphene, Nature (2025). DOI: 10.1038/s41586-024-08239-6 Provided by University of British Columbia ...