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Non-Abelian chiral spin liquid on a simple non-Archimedean lattice


Peri, Valerio; Ok, Seulgi; Tsirkin, S S; Neupert, T; Baskaran, Ganapathy; Greiter, Martin; Moessner, Roderich; Thomale, Ronny (2019). Non-Abelian chiral spin liquid on a simple non-Archimedean lattice. arXiv.org 1908.05280, University of Zurich.

Abstract

We extend the scope of Kitaev spin liquids to non-Archimedean lattices. For the pentaheptite lattice, which results from the proliferation of Stone-Wales defects on the honeycomb lattice, we find an exactly solvable non-Abelian chiral spin liquid with spontaneous time reversal symmetry breaking due to lattice loops of odd length. Our findings call for potential extensions of exact results for Kitaev models which are based on reflection positivity, which is not fulfilled by the pentaheptite lattice. We further elaborate on potential realizations of our chiral spin liquid proposal in strained α-RuCl3.

Abstract

We extend the scope of Kitaev spin liquids to non-Archimedean lattices. For the pentaheptite lattice, which results from the proliferation of Stone-Wales defects on the honeycomb lattice, we find an exactly solvable non-Abelian chiral spin liquid with spontaneous time reversal symmetry breaking due to lattice loops of odd length. Our findings call for potential extensions of exact results for Kitaev models which are based on reflection positivity, which is not fulfilled by the pentaheptite lattice. We further elaborate on potential realizations of our chiral spin liquid proposal in strained α-RuCl3.

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Item Type:Working Paper
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:14 August 2019
Deposited On:23 Jan 2020 15:13
Last Modified:18 Mar 2020 04:32
Series Name:arXiv.org
ISSN:2331-8422
OA Status:Green
Free access at:Related URL. An embargo period may apply.
Related URLs:https://arxiv.org/abs/1908.05280

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