Constraints on the uncertainties of entangled symmetric qubits

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dc.creatorDevi, A. R. Usha
dc.creatorUma, M. S.
dc.creatorPrabhu, R.
dc.creatorRajagopal, A. K.
dc.date2006-01-05
dc.date2006-11-29
dc.date.accessioned2026-07-07T07:56:58Z
dc.date.available2026-07-07T07:56:58Z
dc.descriptionWe derive necessary and sufficient inseparability conditions imposed on the variance matrix of symmetric qubits. These constraints are identified by examining a structural parallelism between continuous variable states and two qubit states. Pairwise entangled symmetric multiqubit states are shown here to obey these constraints. We also bring out an elegant local invariant structure exhibited by our constraints.
dc.description5 pages, REVTEX, Improved presentation; Theorem on neccessary and sufficient condition included; To appear in Phys. Lett. A
dc.identifierhttps://arxiv.org/abs/quant-ph/0601035
dc.identifierhttp://arxiv.org/abs/quant-ph/0601035
dc.identifierPhys. Lett. A 364, 203 (2007)
dc.identifierdoi:10.1016/j.physleta.2006.11.073
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/127509
dc.subjectQuantum Physics
dc.titleConstraints on the uncertainties of entangled symmetric qubits
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