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

doi:10.1103/PhysRevB.89.220408

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

Physics and Astronomy (Twin Cities)

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23 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 language	English (US)
Article number	220408
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	89
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevB.89.220408
State	Published - Jun 24 2014

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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.",

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AB - 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.

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

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