Quantum Cryptography Using Single Particle Entanglement

Details Quantum Cryptography Using Single Particle Entanglement Quantum Cryptography Using Single Particle Entanglement

2003-01-23

arxiv.org/abs/quant-ph/0301131v1

Phys. Rev. A 68, 012324 (2003)

Physics

Quantum Physics

4 pages, 3figures, revtex

Scientific paper

10.1103/PhysRevA.68.012324

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.

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