Efficient Deterministic Secure Quantum Communication protocols using multipartite entangled states
arXiv:1703.08666
Abstract
We propose two deterministic secure quantum communication (DSQC) protocols employing three-qubit GHZ-like states and five-qubit Brown states as quantum channels for secure transmission of information in units of two bits and three bits using multipartite teleportation schemes developed here. In these schemes, the sender's capability in selecting quantum channels and the measuring bases leads to improved qubit efficiency of the protocols.
arXiv comment11 pages
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