Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/326328
Type: Artigo
Title: Chiral Spin-orbital Liquids With Nodal Lines
Author: Natori
W. M. H.; Andrade
E. C.; Miranda
E.; Pereira
R. G.
Abstract: Strongly correlated materials with strong spin-orbit coupling hold promise for realizing topological phases with fractionalized excitations. Here, we propose a chiral spin-orbital liquid as a stable phase of a realistic model for heavy-element double perovskites. This spin liquid state has Majorana fermion excitations with a gapless spectrum characterized by nodal lines along the edges of the Brillouin zone. We show that the nodal lines are topological defects of a non-Abelian Berry connection and that the system exhibits dispersing surface states. We discuss some experimental signatures of this state and compare them with properties of the spin liquid candidate Ba2YMoO6.
Editor: Amer Physical Soc
College Park, Maryland
Rights: aberto
Identifier DOI: 10.1103/PhysRevLett.117.017204
Address: https://journals.aps.org.ez88.periodicos.capes.gov.br/prl/abstract/10.1103/PhysRevLett.117.017204
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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