Properties of Quantum Cryptography Based on Orthogonal States: Goldenberg and Vaidman Scheme

Kouichi Yamazaki, Takashi Matsui and Osamu Hirota
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Kouichi Yamazaki: Tamagawa University
Takashi Matsui: Tamagawa University
Osamu Hirota: Tamagawa University

A chapter in Quantum Communication, Computing, and Measurement, 1997, pp 139-146 from Springer

Abstract: Abstract Properties of quantum key distribution scheme based on orthogonal quantum states proposed by Goldenberg and Vaidman (GV scheme) are theoretically clarified. First, it is shown that multiple-particle sources can be applied to the GV scheme instead of single-particle ones. Then, probabilities that an eavesdropper is detected is given for an eavesdropping method which is a simple modification of that used to show the security of the scheme. Finally, the security of the GV scheme against the eavesdropping method is discussed based on information theory.

Keywords: Mutual Information; Density Operator; Orthogonal State; Quantum Cryptography; Back Reaction (search for similar items in EconPapers)
Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-1-4615-5923-8_15

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DOI: 10.1007/978-1-4615-5923-8_15

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