Chinese Journal of Quantum Electronics, Volume. 27, Issue 1, 46(2010)
Scheme of three quantum bit secret sharing based on GHZ state
With a five-particle entanglement GHZ state as the quantum channel, a quantum secret sharing scheme is proposed, which put through the three-particle teleportation in order to realize the three-quantum secret sharing. The safety of the scheme is analyzed. The scheme makes full use of five particles’ relationship of the GHZ-state. It is found that a Bell-basis measurement, three single particle measurement and corresponding unitary transformation are required. Compared with the pertinent literature, it enhances the quantum transmission without increasing the number of particles, and forms a theoretical basis for transmitting more quanta in quantum secret sharing.
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LIU Yue-qi, SHI Jin, HU Bao-lin, ZHANG Kun. Scheme of three quantum bit secret sharing based on GHZ state[J]. Chinese Journal of Quantum Electronics, 2010, 27(1): 46
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Received: Mar. 4, 2009
Accepted: --
Published Online: May. 31, 2010
The Author Email: Yue-qi LIU (hysylyq@126.com)
CSTR:32186.14.