Magnetization Jump in the Spin-1/2 XXZ Chain with Next-Nearest-Neighbour Coupling

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dc.creatorHirata, Shunsaku
dc.date1999-12-04
dc.date.accessioned2026-07-07T03:15:24Z
dc.date.available2026-07-07T03:15:24Z
dc.descriptionThe zero-temperature magnetization process of a one-dimensional S=1/2 spin system with next-nearest-neighbour coupling alpha and anisotropy delta is studied. There is a region in the parameter space where the magnetization has a jump at certain external field. The boundary of this region is determined. The two cases are distinguished according as alpha<1/4 or alpha>1/4. In the latter case, the energy dispersion of the low-lying excitations exhibits a double minimum structure.
dc.description4 pages, 7 eps figures, uses jpsj.sty
dc.identifierhttps://arxiv.org/abs/cond-mat/9912066
dc.identifierhttp://arxiv.org/abs/cond-mat/9912066
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/30013
dc.subjectStrongly Correlated Electrons
dc.subjectStatistical Mechanics
dc.titleMagnetization Jump in the Spin-1/2 XXZ Chain with Next-Nearest-Neighbour Coupling
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