Quantum Key Distribution Using a χ-Type State

Author： Gao Gan  

Publisher： Springer Publishing Company

ISSN： 0020-7748

Source： International Journal of Theoretical Physics, Vol.49, Iss.8, 2010-08, pp. : 1870-1877

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Abstract

By swapping the entanglement of χ-type state, we propose a quantum key distribution protocol, in which only Alice needs to prepare χ-type states and transmit a particle sequence. Both Alice and Bob need to perform χ-type state measurements.

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