Abstract
Recently, Min Li et al. (Int. J. Theor. Phys. 56, 2710, 2017) proposed an improved quantum teleportation scheme for one five-qubit unknown state with a seven-qubit quantum channel. In this paper, we present an improved protocol with only single-qubit measurements and the same seven-qubit quantum channel. Compared with previous scheme proposed, our scheme has obvious advantages of requiring fewer classical resources, possessing higher intrinsic efficiency and lower operation complexity that bring a better flexibility.
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