Klocke, Kai and Aasen, David and Mong, Roger S. K. and Demler, Eugene A. and Alicea, Jason (2021) Time-Domain Anyon Interferometry in Kitaev Honeycomb Spin Liquids and Beyond. Physical Review Letters, 126 (17). Art. No. 177204. ISSN 0031-9007. doi:10.1103/PhysRevLett.126.177204. https://resolver.caltech.edu/CaltechAUTHORS:20201111-081453060
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Abstract
Motivated by recent experiments on the Kitaev honeycomb magnet α-RuCl₃, we introduce time-domain probes of the edge and quasiparticle content of non-Abelian spin liquids. Our scheme exploits ancillary quantum spins that communicate via time-dependent tunneling of energy into and out of the spin liquid’s chiral Majorana edge state. We show that the ancillary-spin dynamics reveals the edge-state velocity and, in suitable geometries, detects individual non-Abelian anyons and emergent fermions via a time-domain counterpart of quantum-Hall anyon interferometry. We anticipate applications to a wide variety of topological phases in solid-state and cold-atoms settings.
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| Additional Information: | © 2021 American Physical Society. Received 9 November 2020; accepted 30 March 2021; published 27 April 2021. We are grateful to Gabor Halasz, Erik Henriksen, Jason Petta, Ady Stern, and Ashvin Vishwanath for illuminating discussions. This work was supported by the Army Research Office under Grant No. W911NF17-1-0323; the National Science Foundation through Grants No. DMR-1723367 and No. DMR-1848336; the Caltech Institute for Quantum Information and Matter, an NSF Physics Frontiers Center with support of the Gordon and Betty Moore Foundation through Grant No. GBMF1250; the Harvard-MIT CUA, ARO Grant No. W911NF-20-1-0163; the AFOSR-MURI Photonic Quantum Matter Grant No. FA95501610323; and the Walter Burke Institute for Theoretical Physics at Caltech. The final stage of this work was in part based on support by the U.S. Department of Energy, Office of Science through the Quantum Science Center (QSC), a National Quantum Information Science Research Center. | ||||||||||||||||||||||
| Group: | Institute for Quantum Information and Matter, Walter Burke Institute for Theoretical Physics | ||||||||||||||||||||||
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| Issue or Number: | 17 | ||||||||||||||||||||||
| DOI: | 10.1103/PhysRevLett.126.177204 | ||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20201111-081453060 | ||||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20201111-081453060 | ||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||
| ID Code: | 106606 | ||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||||||||||
| Deposited On: | 11 Nov 2020 16:28 | ||||||||||||||||||||||
| Last Modified: | 28 Apr 2021 22:11 |
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