Emergence of Long Period Antiferromagnetic Orders from Haldane Phase in S=1 Heisenberg Chains with D-Modulation

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dc.creatorHida, Kazuo
dc.creatorChen, Wei
dc.date2005-04-06
dc.date.accessioned2026-07-07T03:04:27Z
dc.date.available2026-07-07T03:04:27Z
dc.descriptionThe effect of spatial modulation of the single-site anisotropy D on the ground state of the S=1 Heisenberg chains is investigated. In the case of period 2 modulation, it is found that the phase diagram contains the Haldane phase, large-D phase, Neel phase of udud-type and u0d0-type. It is shown that the hidden antiferromagnetic order in the Haldane phase compatible with the spatial modulation of D-term get frozen resulting in the emergence of various types of Neel orders. The investigation of the model with longer period D-modulation also confirms this picture.
dc.description4 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0504125
dc.identifierhttp://arxiv.org/abs/cond-mat/0504125
dc.identifierJ. Phys. Soc. Jpn. 74, 2090 (2005)
dc.identifierdoi:10.1143/JPSJ.74.2090
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/26143
dc.subjectStrongly Correlated Electrons
dc.subjectStatistical Mechanics
dc.titleEmergence of Long Period Antiferromagnetic Orders from Haldane Phase in S=1 Heisenberg Chains with D-Modulation
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