Semi-quantum information splitting using GHZ-type states |
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Authors: | Yi-you Nie Yuan-hua Li Zi-sheng Wang |
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Affiliation: | 1. Department of Physics, Jiangxi Normal University, Nanchang, 330022, China 2. Key Laboratory of Optoelectronic and Telecommunication of Jiangxi Province, Nanchang, 330022, China 3. State Key Laboratory of Advanced Optical Communication Systems and Networks, Shanghai Jiao Tong University, Shanghai, 200240, China
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Abstract: | By using a generalized Greenberger–Horne–Zeilinger (GHZ) state in which is locally unitarily connected with standard GHZ state as a communication channel, semi-quantum key distribution is extended to study semi-quantum information splitting protocols for secret sharing of quantum information. In our scheme, quantum Alice splits arbitrary two, three and N-qubit states with two classical parties, Bob and Charlie, in a way that both parties are sufficient to reconstruct Alice’s original states only under the condition of which she/he obtains the help from another one, but one of them cannot. The presented protocols are helpful for both secure against certain eavesdropping attacks and economical in processing of quantum information. |
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