Continuous optimal ensembles I: A geometrical characterization of robustly separable quantum states

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dc.creatorZapatrin, Roman R.
dc.date2005-03-21
dc.date.accessioned2026-07-07T06:12:26Z
dc.date.available2026-07-07T06:12:26Z
dc.descriptionA geometrical characterization of robustly separable (that is, remaining separable under sufficiently small variiations) mixed states of a bipartite quantum system is given. It is shown that the density matrix of any such state can be represented as a normal vector to a hypersurface in the Euclidean space of all self-adjoint operators in the state space of the whole system. The expression for this hypersurface is provided.
dc.identifierhttps://arxiv.org/abs/quant-ph/0503173
dc.identifierhttp://arxiv.org/abs/quant-ph/0503173
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/92784
dc.subjectQuantum Physics
dc.titleContinuous optimal ensembles I: A geometrical characterization of robustly separable quantum states
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