The Two-Dimensional S=1 Quantum Heisenberg Antiferromagnet at Finite Temperatures

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dc.creatorHarada, Kenji
dc.creatorTroyer, Matthias
dc.creatorKawashima, Naoki
dc.date1997-12-25
dc.date1998-09-22
dc.date.accessioned2026-07-07T06:29:19Z
dc.date.available2026-07-07T06:29:19Z
dc.descriptionThe temperature dependence of the correlation length, susceptibilities and the magnetic structure factor of the two-dimensional spin-1 square lattice quantum Heisenberg antiferromagnet are computed by the quantum Monte Carlo loop algorithm (QMC). In the experimentally relevant temperature regime the theoretically predicted asymptotic low temperature behavior is found to be not valid. The QMC results however, agree reasonably well with the experimental measurements of La2NiO4 even without considering anisotropies in the exchange interactions.
dc.description4 Pages, 1 table, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/9712292
dc.identifierhttp://arxiv.org/abs/cond-mat/9712292
dc.identifierJ. Phys. Soc. Jpn. 67 (1998) 1130
dc.identifierdoi:10.1143/JPSJ.67.1130
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/97987
dc.subjectStatistical Mechanics
dc.titleThe Two-Dimensional S=1 Quantum Heisenberg Antiferromagnet at Finite Temperatures
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