Disorder in a quantum spin liquid: flux binding and local moment formation.

We study the consequences of disorder in the Kitaev honeycomb model, considering both site dilution and exchange randomness. We show that a single vacancy binds a flux and induces a local moment. This moment is polarized by an applied field h: in the gapless phase, for small h the local susceptibili...

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Hlavní autoři: Willans, A, Chalker, J, Moessner, R
Médium: Journal article
Jazyk:English
Vydáno: 2010