Three-party qutrit-state sharing
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A three-party scheme for securely sharing an arbitrary unknown single-qutrit state is presented. Using a generalized Greenberger-Horne-Zeilinger (GHZ) state as the quantum channel among the three parties, the quantum information (i.e. the qutrit state) from the sender can be split in such a way that the information can be recovered if and only if both receivers collaborate. A generalization of the scheme to multi-party case is also sketched.
PACS.03.67.Hk Quantum communication 03.67.Dd Quantum cryptography 03.65.Ud Entanglement and quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.) 89.70.+c Information theory and communication theory
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- F.G. Deng, X.H. Li, C.Y. Li, P. Zhou, H.Y. Zhou, e-print arXiv:quant-ph/0509029 Google Scholar