Phase diagram of a frustrated spin- 12 J1 - J2 XXZ model on the honeycomb lattice

P. H.Y. Li, R. F. Bishop, C. E. Campbell

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17 Scopus citations

Abstract

We study the zero-temperature (T=0) ground-state (GS) properties of a frustrated spin-half J1XXZ-J2XXZ model on the honeycomb lattice with nearest-neighbor and next-nearest-neighbor interactions with exchange couplings J1>0 and J2≡κJ1>0, respectively, using the coupled cluster method. Both interactions are of the anisotropic XXZ type. We present the T=0 GS phase diagram of the model in the ranges 0≤Δ≤1 of the spin-space anisotropy parameter and 0≤κ≤1 of the frustration parameter. A possible quantum spin-liquid region is identified.

Original languageEnglish (US)
Article number220408
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume89
Issue number22
DOIs
StatePublished - Jun 24 2014

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