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Proceedings Paper

POVM inconclusive rate
Author(s): Howard E. Brandt
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Paper Abstract

The inclusive rate is considered as a disturbance measure in key distribution in quantum cryptography. Bennett's two- state protocol is addressed for the case in which a positive operator valued measure is implemented by the legitimate receiver in the presence of individual attack by a general unitary disturbing eavesdropping probe. The maximum Renyi information gain by the disturbing probe is calculated for given receiver error and inconclusive rates. It is demonstrated explicitly that less information is available to an eavesdropper at fixed inconclusive rate and error rate than is available at fixed error rate only.

Paper Details

Date Published: 13 July 2000
PDF: 20 pages
Proc. SPIE 4047, Quantum Computing, (13 July 2000); doi: 10.1117/12.391956
Show Author Affiliations
Howard E. Brandt, Army Research Lab. (United States)


Published in SPIE Proceedings Vol. 4047:
Quantum Computing
Eric Donkor; Andrew R. Pirich, Editor(s)

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