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Phys. Rev. Lett. 67, 661–663 (1991)

Quantum cryptography based on Bell’s theorem

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Artur K. Ekert
Merton College and Physics Department, Oxford University, Oxford OX1 3PU, United Kingdom

Received 18 April 1991; published in the issue dated 5 August 1991

Practical application of the generalized Bell’s theorem in the so-called key distribution process in cryptography is reported. The proposed scheme is based on the Bohm’s version of the Einstein-Podolsky-Rosen gedanken experiment and Bell’s theorem is used to test for eavesdropping.

© 1991 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.67.661
DOI:
10.1103/PhysRevLett.67.661
PACS:
03.65.Bz, 42.80.Sa, 89.70.+c