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arXiv · 1103.5888

Evidence of a spin liquid phase in the frustrated honeycomb lattice

D. C. Cabra·C. A. Lamas·H. D. Rosales
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Abstract

In the present paper we present some new data supporting the existence of a spin-disordered phase in the Heisenberg model on the honeycomb lattice with antiferromagnetic interactions up to third neighbors along the line J2=J3, predicted in [Phys. Rev. B 83, 094506 (2011)]. We use the Schwinger boson technique followed by a mean field decoupling and exact diagonalization for small systems to show the existence of an intermediate phase with a spin gap and short range Néel correlations in the strong quantum limit (S=1/2).

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D. C. Cabra, C. A. Lamas, H. D. Rosales. 2011-03-30. Evidence of a spin liquid phase in the frustrated honeycomb lattice. https://doi.org/10.1142/s0217984911026590

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