Multiparty quantum secret sharing with Bell states and Bell measurements

作者:Shi Run hua*; Huang Liu sheng; Yang Wei; Zhong Hong
来源:Optics Communications, 2010, 283(11): 2476-2480.
DOI:10.1016/j.optcom.2010.02.015

摘要

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.