The Spin-1 Heisenberg Antiferromagnet: New Results from Series Expansions

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dc.creatorOitmaa, J.
dc.creatorHamer, C. J.
dc.date2008-04-08
dc.date.accessioned2026-07-07T09:31:00Z
dc.date.available2026-07-07T09:31:00Z
dc.descriptionWe calculate ground state properties (energy, magnetization, susceptibility) and one-particle spectra for the $S = 1$ Heisenberg antiferromagnet with easy-axis or easy-plane single site anisotropy, on the square lattice. Series expansions are used, in each of three phases of the system, to obtain systematic and accurate results. The location of the quantum phase transition in the easy-plane sector is determined. The results are compared with spin-wave theory.
dc.description13 pages, 13 figures
dc.identifierhttps://arxiv.org/abs/0804.1171
dc.identifierhttp://arxiv.org/abs/0804.1171
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/158307
dc.subjectOther Condensed Matter
dc.subjectStrongly Correlated Electrons
dc.titleThe Spin-1 Heisenberg Antiferromagnet: New Results from Series Expansions
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