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Multiparty quantum secret sharing with Bell states and Bell measurements |
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| Authors: | Run-hua Shi Liu-sheng Huang Wei Yang Hong Zhong |
| Affiliation: | a NHPCC, Depart. of CS. and Tech., USTC, Hefei 230027, China b School of Computer Science and Technology, Anhui University, Hefei 230039, China c Suzhou Institute for Advanced Study, USTC, Suzhou 215123, China |
| Abstract: | We present a multiparty quantum secret sharing scheme and analyze its security. In this scheme, the sender Alice takes EPR pairs in Bell states as quantum resources. In order to obtain the shared key, all participants only need to perform Bell measurements, not to perform any local unitary operation. The total efficiency in this scheme approaches 100% as the classical information exchanged is not necessary except for the eavesdropping checks. |
| Keywords: | Quantum information Quantum cryptography Quantum secret sharing |
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