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Arbitrated quantum signature of classical messages against collective amplitude damping noise |
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| Authors: | Yu-Guang Yang Qiao-Yan Wen |
| Institution: | a College of Computer Science and Technology, Beijing University of Technology, Beijing 100124, China b State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China c State Key Laboratory of Integrated Services Network, Xidian University, Xi'an 710071,China d State Key Laboratory of Information Security, (Graduate University of Chinese Academy of Sciences), Beijing 100049, China |
| Abstract: | We give an arbitrated signature protocol of classical messages over a collective amplitude damping channel. We analyze its security and prove that it is secure over such a noisy quantum channel even if the arbitrator is compromised. The involvement of the arbitrator is also an appealing advantage in the implementation of a practical quantum distributed communication network. |
| Keywords: | Decoherence-free states Collective amplitude damping Arbitrated signature |
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