0412203v1

related topics
{alice, bob, state}
{photon, photons, single}

Multiparty Quantum Secret Sharing

Zhan-jun Zhang, Yong Li, Zhong-xiao Man

abstract: Based on a quantum secure direct communication (QSDC) protocol [Phys. Rev. A69(04)052319], we propose a $(n,n)$-threshold scheme of multiparty quantum secret sharing of classical messages (QSSCM) using only single photons. We take advantage of this multiparty QSSCM scheme to establish a scheme of multiparty secret sharing of quantum information (SSQI), in which only all quantum information receivers collaborate can the original qubit be reconstructed. A general idea is also proposed for constructing multiparty SSQI schemes from any QSSCM scheme.

oai_identifier:
oai:arXiv.org:quant-ph/0412203
categories:
quant-ph
doi:
10.1103/PhysRevA.71.044301
arxiv_id:
quant-ph/0412203
created:
2004-12-27

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