Jordan-Wigner fermions and the spin-1/2 anisotropic XY model on a square lattice

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Using the two-dimensional Jordan-Wigner fermionization we calculate the thermodynamic quantities of the (spatially anisotropic) square-lattice spin-1/2 anisotropic XY (XZ) model. We compare the results of different approaches for the ground-state and thermodynamic properties of the model.
5 pages, 2 figures

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Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/18513

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0111203
 http://arxiv.org/abs/cond-mat/0111203
 ACTA PHYSICA POLONICA B Vol.32 (2001) 3427

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arXiv