Numerical evidence for unstable magnons at high fields in the Heisenberg antiferromagnet on the square lattice

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dc.creatorSyljuasen, Olav F.
dc.date2008-07-11
dc.date2008-11-19
dc.date.accessioned2026-07-07T10:19:03Z
dc.date.available2026-07-07T10:19:03Z
dc.descriptionWe find evidence for decaying magnons at strong magnetic field in the square lattice spin-1/2 Heisenberg antiferromagnet. The results are obtained using Quantum Monte Carlo simulations combined with a Bayesian inference technique to obtain dynamics and are consistent with predictions from spin wave theory.
dc.description4 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/0807.1837
dc.identifierhttp://arxiv.org/abs/0807.1837
dc.identifierPhys. Rev. B 78, 180413(R) 2008
dc.identifierdoi:10.1103/PhysRevB.78.180413
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/174370
dc.subjectStrongly Correlated Electrons
dc.titleNumerical evidence for unstable magnons at high fields in the Heisenberg antiferromagnet on the square lattice
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