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Ground state of the staggered Heisenberg-$Γ$ honeycomb model in a magnetic field

by Mojtaba Ahmadi-Yazdi, Mohammad-Hossein Zare, Hamid Mosadeq, Farhad Fazileh

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Submission summary

Authors (as registered SciPost users): Mohammad-Hossein Zare
Submission information
Preprint Link:  (pdf)
Date accepted: 2024-05-09
Date submitted: 2024-04-30 11:42
Submitted by: Zare, Mohammad-Hossein
Submitted to: SciPost Physics Core
Ontological classification
Academic field: Physics
  • Condensed Matter Physics - Theory
Approaches: Theoretical, Computational


We study the ground state properties of the $S=\frac{1}{2}$ staggered Heisenberg-$\Gamma$ honeycomb model under a magnetic field based on analytical and numerical methods. Our calculations show that the conventional zigzag and stripy phases are favored because of the staggered Heisenberg interaction away from the pure $\Gamma$ limit. In our classical analysis, we find that the field induces a series of competing magnetic phases with relatively large unit cells in the region sandwiched between the two magnetic phases with long-range ordering. In the quantum treatment, these large magnetic unit cells are destabilized by strong quantum fluctuations that result in the stabilization of a gapless quantum spin liquid behavior. In a honeycomb $\Gamma$ magnet, we disclose an intermediate-field gapless quantum spin liquid phase driven by a tilted field away from the out-of-plane direction only for a narrow region between the low-field zigzag and high-field fully polarized phases.

Published as SciPost Phys. Core 7, 030 (2024)

Reports on this Submission

Anonymous Report 2 on 2024-5-6 (Invited Report)


The authors replied to my questions to satisfaction. I recommend the paper for publication.


The authors replied to my questions to satisfaction. I recommend the paper for publication.

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  • validity: high
  • significance: good
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  • grammar: excellent

Anonymous Report 1 on 2024-4-30 (Invited Report)


The authors have responded to all the issues in my inital report and I can safely recommend the paper for publication in SciPost Physics.


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