期刊
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
卷 361, 期 1, 页码 233-238出版社
ELSEVIER
DOI: 10.1016/j.physa.2005.07.005
关键词
multiparty quantum secret key sharing; collective-noise channel
Based oil a polarization-based quantum key distribution Protocol over a collective-noise channel [Phys. Rev. Lett. 92 (2004) 017901], a robust (n,n)-threshold scheme of multiparty quantum secret sharing of key over two collective-noise channels (i.e., the collective dephasing channel and the collective rotating channel) is proposed. In this scheme the sharer entirety can establish a joint key with the message sender only if all the sharers collaborate together. Since Bell singlets are enough for use and only single-photon polarization needs to be identified, this scheme is feasible according to the present-day technique. (c) 2005 Elsevier B.V. All rights reserved.
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