期刊
PHYSICAL REVIEW LETTERS
卷 126, 期 17, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.126.177204
关键词
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资金
- Army Research Office [W911NF17-1-0323]
- National Science Foundation [DMR-1723367, DMR-1848336]
- Caltech Institute for Quantum Information and Matter, an NSF Physics Frontiers Center
- Gordon and Betty Moore Foundation [GBMF1250]
- Harvard-MIT CUA, ARO [W911NF-20-1-0163]
- AFOSR-MURI Photonic Quantum Matter Grant [FA95501610323]
- Walter Burke Institute for Theoretical Physics at Caltech
- U.S. Department of Energy, Office of Science through the Quantum Science Center (QSC), a National Quantum Information Science Research Center
This research introduces a time-domain probing method for the edge and quasiparticle content of non-Abelian spin liquids, utilizing ancillary quantum spins to reveal edge-state velocity and detect individual non-Abelian anyons and emergent fermions in suitable geometries. Anticipated applications include various topological phases in solid-state and cold-atoms settings.
Motivated by recent experiments on the Kitaev honeycomb magnet alpha-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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