Hierarchical quantum information splitting

Details Hierarchical quantum information splitting Hierarchical quantum information splitting

2009-06-04

arxiv.org/abs/0906.0826v2

Optics Communications 283 (2010) 1196-1199

Physics

Quantum Physics

Introduction and Conclusion parts are improved

Scientific paper

10.1016/j.optcom.2009.11.015

We present a scheme for asymmetric quantum information splitting, where a sender distributes asymmetrically a qubit to distant agents in a network. The asymmetric distribution leads to that the agents have different powers to reconstruct the sender's qubit. In other words, the authorities of the agents for getting the quantum secret are hierarchized. The scheme does not need the agents to get together and make nonlocal operations. Our scheme can also be modified to implement controlled teleportation against uncooperation of part of supervisors.

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