Boundary Critical Phenomena in SU(3) "Spin" Chains

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dc.creatorAffleck, Ian
dc.creatorOshikawa, Masaki
dc.creatorSaleur, Hubert
dc.date2000-11-27
dc.date.accessioned2026-07-07T10:51:37Z
dc.date.available2026-07-07T10:51:37Z
dc.descriptionSU(3)-invariant "spin" chains with a single impurity, such as a modified exchange coupling on one link, are analyzed using boundary conformal field theory techniques. These chains are equivalent to a special case of the "tJV" model, i.e. the t-J model with a nearest neighbour repulsion added. In the continuum limit they are equivalent to two free bosons at a special value of the compactification radii. The SU(3) symmetry, which is made explicit in this formulation, provides insight into the exact solution of a non-trivial boundary critical point found earlier in another formulation of this model as a theory of quantum Brownian motion.
dc.description19 pages, Rev Tex
dc.identifierhttps://arxiv.org/abs/cond-mat/0011454
dc.identifierhttp://arxiv.org/abs/cond-mat/0011454
dc.identifierJ.Phys.A34:1073-1088,2001
dc.identifierdoi:10.1088/0305-4470/34/6/301
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/184880
dc.subjectCondensed Matter
dc.subjectHigh Energy Physics - Theory
dc.titleBoundary Critical Phenomena in SU(3) "Spin" Chains
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