Quantum cryptography using single-particle entanglement

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A quantum cryptography scheme based on entanglement between a single-particle state and a vacuum state is proposed. The scheme utilizes linear optics devices to detect the superposition of the vacuum and single-particle states. Existence of an eavesdropper can be detected by using a variant of Bell's inequality.
Publisher
AMER PHYSICAL SOC
Issue Date
2003-07
Language
English
Article Type
Article
Description

©2003 The American Physical Society URL: http://link.aps.org/abstract/PRA/v68/e012324 DOI: 10.1103/PhysRevA.68.012324 PACS: 03.67.-a, 03.67.Dd, 03.67.Lx

Keywords

HIDDEN-VARIABLE THEORIES; PODOLSKY-ROSEN CHANNELS; EXPERIMENTAL REALIZATION; EXPERIMENTAL TESTS; BELL INEQUALITIES; FOCK SPACE; NONLOCALITY; PHOTON; THEOREM; STATE

Citation

PHYSICAL REVIEW A, v.68, pp.623 - 631

ISSN
1050-2947
URI
http://hdl.handle.net/10203/1536
Appears in Collection
CH-Journal Papers(저널논문)PH-Journal Papers(저널논문)
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