Phys. Rev. A 54, 1793–1797 (1996)Entangled entanglementSee Also: Erratum Received 13 February 1996; published in the issue dated September 1996 In entangled systems values cannot be assigned to all quantum-mechanical observables of individual members of the system independent of the measurement context of the whole system. While various cases are known where properties like spin, momentum, energy, etc. can be entangled, entanglement itself is usually considered to be an objective property of the system. We show that situations can arise where this is no longer the case, and where therefore entanglement itself becomes an entangled property. © 1996 The American Physical Society. © 1996 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.54.1793
DOI:
10.1103/PhysRevA.54.1793
PACS:
03.65.Bz
See AlsoComment: R. L. Schafir, Comment on “Entangled entanglement”, Phys. Rev. A 56, 4335 (1997). Erratum: Erratum: Entangled entanglement [Phys. Rev. A 54, 1793 (1996)], Phys. Rev. A 55, 3970 (1997). Reply: Günther Krenn and Anton Zeilinger, Reply to “Comment on ‘Entangled entanglement’ ”, Phys. Rev. A 56, 4336 (1997). |
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