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Entanglement in site diluted quantum two-dimensional antiferromagnet

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  • Lima, L.S.

Abstract

The von Neumann entanglement entropy is studied for the two-dimensional Heisenberg antiferromagnet with ion single anisotropy in the square lattice and in the presence of nonmagnetic impurities, at T=0 using the SU(3) Schwinger boson theory. In particular, we discuss the influence of site disorder on the quantum entanglement of this model that is characterized by a quantum phase transition at Dc, that separates a Néel phase, DDc. We find that the quantum entanglement in D

Suggested Citation

  • Lima, L.S., 2018. "Entanglement in site diluted quantum two-dimensional antiferromagnet," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 492(C), pages 1853-1858.
    • Handle: RePEc:eee:phsmap:v:492:y:2018:i:c:p:1853-1858
    DOI: 10.1016/j.physa.2017.11.102
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