Information flow and quantum cryptography using statistical fluctuations

A procedure is formulated, using the quantum teleportation arrangement, that communicates knowledge of an apparatus setting between the wings of the experiment, using statistical fluctuations in a sequence of measurement results. It requires an entangled state, and transmission of classical informat...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2003-02, Vol.67 (2), Article 022306
Main Authors: Home, D., Whitaker, M. A. B.
Format: Article
Language:English
Subjects:
ATOMIC AND MOLECULAR PHYSICS
CORRELATIONS
DATA TRANSMISSION
ENERGY LEVELS
FLUCTUATIONS
INFORMATION THEORY
QUANTUM MECHANICS
SECRECY PROTECTION
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Summary:A procedure is formulated, using the quantum teleportation arrangement, that communicates knowledge of an apparatus setting between the wings of the experiment, using statistical fluctuations in a sequence of measurement results. It requires an entangled state, and transmission of classical information totally unrelated to the apparatus setting actually communicated. Our procedure has conceptual interest, and has applications to quantum cryptography.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.67.022306