Abstract
It is shown that (i) all entangled states can be mapped by single-copy measurements into probability distributions containing secret correlations, and (ii) if a probability distribution obtained from a quantum state contains secret correlations, then this state has to be entangled. These results prove the existence of a two-way connection between secret and quantum correlations in the process of preparation. They also imply that either it is possible to map any bound entangled state into a distillable probability distribution or bipartite bound information exists.
Keywords
State (computer science)Probability distributionQuantum stateUpper and lower boundsBipartite graphStatistical physicsConnection (principal bundle)Quantum informationW stateQuantumPhysicsQuantum mechanicsDiscrete mathematicsMathematicsQuantum entanglementAlgorithmStatistics
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Publication Info
- Year
- 2005
- Type
- article
- Volume
- 94
- Issue
- 2
- Pages
- 020501-020501
- Citations
- 51
- Access
- Closed
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Cite This
Antonio Acín,
Nicolas Gisin
(2005).
Quantum Correlations and Secret Bits.
Physical Review Letters
, 94
(2)
, 020501-020501.
https://doi.org/10.1103/physrevlett.94.020501
Identifiers
- DOI
- 10.1103/physrevlett.94.020501