Does nonorthogonality necessarily imply nonmaximal entanglement ?

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dc.creatorHome, Dipankar
dc.creatorSamal, M K
dc.date2000-12-14
dc.date.accessioned2026-07-07T06:01:21Z
dc.date.available2026-07-07T06:01:21Z
dc.descriptionWe show that bipartite entanglements involving non-orthogonal states are {\it necessarily nonmaximally} entangled, however {\it small} the non-orthogonality may be. How the deviation from maximal entanglement is related to nonorthogonality is quantified by using two independent measures of entanglement corresponding to the violation of Bell's inequality and the entropy measure respectively. This result is true even if one of the subsystems has orthogonal states. An application of this is that a maximal violation of Bell's inequality in entangled neutral kaons is not possible in the presence of CP violation.
dc.description7 pages Revtex, no figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0012064
dc.identifierhttp://arxiv.org/abs/quant-ph/0012064
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/89230
dc.subjectQuantum Physics
dc.titleDoes nonorthogonality necessarily imply nonmaximal entanglement ?
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