Single-particle entanglement
- Bell Labs, Lucent Technologies, 600-700 Mountain Ave., Murray Hill, New Jersey 07974 (United States)
I give a simple argument that demonstrates that the state vertical bar 0> vertical bar 1>+ vertical bar 1> vertical bar 0>, with |0> denoting a state with 0 particles (or photons) and vertical bar 1> a one-particle state, is entangled in spite of recent claims to the contrary. I also discuss viewpoints on the old controversy about whether the above state can be said to display single-particle or single-photon nonlocality.
- OSTI ID:
- 20786388
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 6 Vol. 72; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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