Zero-temperature Kosterlitz-Thouless transition in a two-dimensional quantum system

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dc.creatorCastelnovo, Claudio
dc.creatorChamon, Claudio
dc.creatorMudry, Christopher
dc.creatorPujol, Pierre
dc.creator.
dc.date2006-02-09
dc.date2007-03-19
dc.date.accessioned2026-07-07T07:52:15Z
dc.date.available2026-07-07T07:52:15Z
dc.descriptionWe construct a local interacting quantum dimer model on the square lattice, whose zero-temperature phase diagram is characterized by a line of critical points separating two ordered phases of the valence bond crystal type. On one side, the line of critical points terminates in a quantum transition inherited from a Kosterlitz-Thouless transition in an associated classical model. We also discuss the effect of a longer-range dimer interactions that can be used to suppress the line of critical points by gradually shrinking it to a single point. Finally, we propose a way to generalize the quantum Hamiltonian to a dilute dimer model in presence of monomers and we qualitatively discuss the phase diagram.
dc.description(30 pages, 11 figures), v2 with minor corrections
dc.identifierhttps://arxiv.org/abs/cond-mat/0602237
dc.identifierhttp://arxiv.org/abs/cond-mat/0602237
dc.identifierAnnals of Physics 322 (2007) 903-934
dc.identifierdoi:10.1016/j.aop.2006.04.017
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/125812
dc.subjectStrongly Correlated Electrons
dc.subjectStatistical Mechanics
dc.titleZero-temperature Kosterlitz-Thouless transition in a two-dimensional quantum system
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