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Time-Domain Anyon Interferometry in Kitaev Honeycomb Spin Liquids and Beyond

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.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1103/PhysRevLett.126.177204DOIArticle
https://arxiv.org/abs/2011.00015arXivDiscussion Paper
ORCID:
AuthorORCID
Klocke, Kai0000-0002-9580-8509
Aasen, David0000-0002-6552-488X
Demler, Eugene A.0000-0002-2499-632X
Alicea, Jason0000-0001-9979-3423
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
Funders:
Funding AgencyGrant Number
Army Research Office (ARO)W911NF17-1-0323
NSFDMR-1723367
NSFDMR-1848336
Institute for Quantum Information and Matter (IQIM)UNSPECIFIED
Gordon and Betty Moore FoundationGBMF1250
Harvard-MIT Center for Ultracold AtomsUNSPECIFIED
Army Research Office (ARO)W911NF-20-1-0163
Air Force Office of Scientific Research (AFOSR)FA9550-16-1-0323
Walter Burke Institute for Theoretical Physics, CaltechUNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
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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