Abstract
We apply the 2D Jordan-Wigner fermionization to examine the ground state and thermodynamic properties of the square-lattice s=1/2 anisotropic XY model. We compare our findings with the results of different analytical and numerical approaches.
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Derzhko, O., Richter, J. & Verkholyak, T. 2D quantum spin models and Jordan-Wigner fermions. Czech J Phys 52 (Suppl 1), A41–A44 (2002). https://doi.org/10.1007/s10582-002-0008-1
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DOI: https://doi.org/10.1007/s10582-002-0008-1