Photonic Topological Mode Bound to a Vortex

Photonic Topological Mode Bound to a Vortex

We report the observation of a mode associated with a topological defect in the bulk of a 2D photonic material by introducing a vortex distortion to a hexagonal lattice analogous to graphene. The observed modes lie midgap at zero energy and are closely related to Majorana bound states in superconduc...

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Veröffentlicht in:Physical review letters 2020-09, Vol.125 (11), p.1-117401, Article 117401
Hauptverfasser: Menssen, Adrian J., Guan, Jun, Felce, David, Booth, Martin J., Walmsley, Ian A.
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Graphene
Hexagonal lattice
Lattice vibration
Photonics
Topology
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container_end_page 117401
container_issue 11
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container_title Physical review letters
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creator Menssen, Adrian J.
Guan, Jun
Felce, David
Booth, Martin J.
Walmsley, Ian A.
description We report the observation of a mode associated with a topological defect in the bulk of a 2D photonic material by introducing a vortex distortion to a hexagonal lattice analogous to graphene. The observed modes lie midgap at zero energy and are closely related to Majorana bound states in superconducting vortices. This is the first experimental demonstration of the Jackiw-Rossi model [R. Jackiw and P. Rossi, Nucl. Phys. B190, 681 (1981)].
doi_str_mv 10.1103/PhysRevLett.125.117401
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source American Physical Society Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects Graphene
Hexagonal lattice
Lattice vibration
Photonics
Topology
title Photonic Topological Mode Bound to a Vortex
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