Entropy and Exact Matrix Product Representation of the Laughlin Wave Function

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dc.creatorIblisdir, S.
dc.creatorLatorre, J. I.
dc.creatorOrus, R.
dc.date2006-09-05
dc.date2006-09-13
dc.date.accessioned2026-07-07T11:26:17Z
dc.date.available2026-07-07T11:26:17Z
dc.descriptionAn analytical expression for the von Neumann entropy of the Laughlin wave function is obtained for any possible bipartition between the particles described by this wave function, for filling fraction nu=1. Also, for filling fraction nu=1/m, where m is an odd integer, an upper bound on this entropy is exhibited. These results yield a bound on the smallest possible size of the matrices for an exact representation of the Laughlin ansatz in terms of a matrix product state. An analytical matrix product state representation of this state is proposed in terms of representations of the Clifford algebra. For nu=1, this representation is shown to be asymptotically optimal in the limit of a large number of particles.
dc.identifierhttps://arxiv.org/abs/cond-mat/0609088
dc.identifierhttp://arxiv.org/abs/cond-mat/0609088
dc.identifierPhys.Rev.Lett.98:060402,2007
dc.identifierdoi:10.1103/PhysRevLett.98.060402
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/195774
dc.subjectMesoscale and Nanoscale Physics
dc.subjectStatistical Mechanics
dc.subjectHigh Energy Physics - Theory
dc.subjectQuantum Physics
dc.titleEntropy and Exact Matrix Product Representation of the Laughlin Wave Function
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