Entanglement in site diluted quantum two-dimensional antiferromagnet

L.S. Lima

Physica A: Statistical Mechanics and its Applications, 2018, vol. 492, issue C, 1853-1858

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 DKeywords: Entanglement; Two-dimensional; Disordered (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:492:y:2018:i:c:p:1853-1858

DOI: 10.1016/j.physa.2017.11.102

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