Dimerization in ultracold spinor gases with Zeeman splitting

@article{Weyrauch2017DimerizationIU,
  title={Dimerization in ultracold spinor gases with Zeeman splitting},
  author={M. Weyrauch and M. V. Rakov},
  journal={arXiv: Strongly Correlated Electrons},
  year={2017}
}
Two recent publications report different boundaries for the dimerized phase of the bilinear-biquadratic spin-1 Heisenberg model with quadratic Zeeman effect. We address these discrepancies for the biquadratic model with quadratic Zeeman term and explain the differences. 
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