Novel Schemes for Directly Measuring Entanglement of General States

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dc.creatorCai, Jianming
dc.creatorSong, Wei
dc.date2008-04-14
dc.date2008-11-05
dc.date.accessioned2026-07-07T10:19:36Z
dc.date.available2026-07-07T10:19:36Z
dc.descriptionAn intrinsic relation between maximally entangled states and entanglement measures is revealed, which plays a role in establishing connections for different entanglement quantifiers. We exploit the basic idea and propose a framework to construct schemes for directly measuring entanglement of general states. In particular, we demonstrate that rank-1 local factorizable projective measurements, which are achievable with only one copy of entangled state involved at a time in a sequential way, are sufficient to directly determine the concurrence of arbitrary two-qubit entangled state.
dc.identifierhttps://arxiv.org/abs/0804.2246
dc.identifierhttp://arxiv.org/abs/0804.2246
dc.identifierPhys. Rev. Lett. 101, 190503 (2008).
dc.identifierdoi:10.1103/PhysRevLett.101.190503
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/174568
dc.subjectQuantum Physics
dc.titleNovel Schemes for Directly Measuring Entanglement of General States
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