On calculation of vector spin chirality for zigzag spin chains

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dc.creatorOkunishi, Kouichi
dc.date2008-05-26
dc.date2008-09-25
dc.date.accessioned2026-07-07T12:09:55Z
dc.date.available2026-07-07T12:09:55Z
dc.descriptionWe calculate the vector spin chirality for $S=1/2$ zigzag spin chains having U(1) symmetry, using the density matrix renormalization group combined with unitary transformation. We then demonstrate the occurrence of the chiral order for the zigzag XY chain and discuss the associated phase transition. The results are consistent with the analysis based on the bosonization and the long distance behaviour of the chirality correlation function. For the $S=1/2$ zigzag Heisenberg chain in a magnetic field, we also verify the chiral order that is predicted by the effective field theory and the chirality correlation function, and then determine its magnetic phase diagram.
dc.description7 pages, 9 figures, accepted for publication in J. Phys. Soc. Jpn
dc.identifierhttps://arxiv.org/abs/0805.3872
dc.identifierhttp://arxiv.org/abs/0805.3872
dc.identifierJ. Phys. Soc. Jpn. 77, (2008) 114004
dc.identifierdoi:10.1143/JPSJ.77.114004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/209792
dc.subjectStatistical Mechanics
dc.subjectStrongly Correlated Electrons
dc.titleOn calculation of vector spin chirality for zigzag spin chains
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