Extinction of the long-range order on site diluted quantum two-dimensional antiferromagnet in Bose–Einstein condensation

L.S. Lima

Physica A: Statistical Mechanics and its Applications, 2019, vol. 534, issue C

Abstract: We study the two-dimensional Heisenberg antiferromagnet with ion single anisotropy in the square lattice 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 phase transition of this model at Dc that separates the Néel phase, DDc. We find that the long-range order in DKeywords: Diluted model; Two dimensional (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:534:y:2019:i:c:s0378437119312816

DOI: 10.1016/j.physa.2019.122208

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