Geometrically induced singular behavior of entanglement

Simple item page
dc.creatorCavalcanti, D.
dc.creatorSaldanha, P. L.
dc.creatorCosme, O.
dc.creatorBrandao, F. G. S. L.
dc.creatorMonken, C. H.
dc.creatorPadua, S.
dc.creatorSantos, M. Franca
dc.creatorCunha, M. O. Terra
dc.date2007-09-03
dc.date2008-01-16
dc.date.accessioned2026-07-07T09:49:45Z
dc.date.available2026-07-07T09:49:45Z
dc.descriptionWe show that the geometry of the set of quantum states plays a crucial role in the behavior of entanglement in different physical systems. More specifically it is shown that singular points at the border of the set of unentangled states appear as singularities in the dynamics of entanglement of smoothly varying quantum states. We illustrate this result by implementing a photonic parametric down conversion experiment. Moreover, this effect is connected to recently discovered singularities in condensed matter models.
dc.descriptionv2: 4 pags, 4 figs. A discussion before the proof of Proposition 1 and tomographic results were included, Propostion 2 was removed and the references were fixed
dc.identifierhttps://arxiv.org/abs/0709.0301
dc.identifierhttp://arxiv.org/abs/0709.0301
dc.identifierPhys. Rev. A 78, 012318 (2008)
dc.identifierdoi:10.1103/PhysRevA.78.012318
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/164703
dc.subjectQuantum Physics
dc.titleGeometrically induced singular behavior of entanglement
dc.typetext

Files

Collections

arXiv