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Spatially frustrated S=1 Heisenberg antiferromagnet with single ion anisotropy

Author

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  • Pires, A.S.T.

Abstract

Using the SU(3) Schwinger boson formalism, I study the S=1 square lattice Heisenberg antiferromagnet, at zero temperature, with spatially anisotropic nearest-neighbor couplings frustrated by a next-nearest neighbor interaction and single ion anisotropy. The phase diagram at zero temperature is presented. My calculations show two magnetically ordered phases separated by a quantum-disordered region for all values of the anisotropy.

Suggested Citation

  • Pires, A.S.T., 2016. "Spatially frustrated S=1 Heisenberg antiferromagnet with single ion anisotropy," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 459(C), pages 100-106.
    • Handle: RePEc:eee:phsmap:v:459:y:2016:i:c:p:100-106
    DOI: 10.1016/j.physa.2016.04.036
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