Abstract

We study the quantum disordered phase of the anisotropic Heisenberg spin one model with ferromagnetic nearest-neighbor interactions, frustrating antiferromagnetic next-nearest-neighbor interactions along the chain and antiferromagnetic interchain couplings along the axes perpendicular to the chain. We use the SU(3) Schwinger boson technique and calculate the phase diagram at zero temperature. The gap as a function of temperature is also presented.

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