Weyl Josephson circuits

Valla Fatemi*, Anton R. Akhmerov, Landry Bretheau

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)
5 Downloads (Pure)

Abstract

We introduce Weyl Josephson circuits: small Josephson junction circuits that simulate Weyl band structures. We first formulate a general approach to design circuits that are analogous to Bloch Hamiltonians of a desired dimensionality and symmetry class. We then construct and analyze a six-junction device that produces a three-dimensional (3D) Weyl Hamiltonian with broken inversion symmetry and in which topological phase transitions can be triggered in situ. We argue that currently available superconducting circuit technology allows experiments that probe topological properties inaccessible in condensed matter systems.

Original languageEnglish
Article number013288
Number of pages11
JournalPhysical Review Research
Volume3
Issue number1
DOIs
Publication statusPublished - 2021

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