Comment on "Multi-output quantum teleportation of different quantum information with an IBM quantum experience"

• URL: http://arxiv.org/abs/2112.03503v1
• Date: Tue, 7 Dec 2021 05:25:57 GMT
• Title: Comment on "Multi-output quantum teleportation of different quantum information with an IBM quantum experience"
• Authors: Satish Kumar
• Abstract summary: Yu et al. have proposed a scheme for "multi-output quantum teleportation" The modified scheme for multi-output teleportation using optimal resources has also been implemented using IBM quantum computer for m = 1.
• Score: 3.274290296343038
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Recently, Yu et al., (Commun. Theor. Phys. 73 (2021) 085103) has proposed a scheme for "multi-output quantum teleportation" and has implemented the scheme using an IBM quantum computer. In their so called multicast-based quantum teleportation scheme, a sender (Alice) teleported two different quantum states (one of which is a m-qubit GHZ class state and the other is a (m+1)-qubit GHZ class state) to the two receivers. To perform the task, a five-qubit cluster state was used as a quantum channel, and the scheme was realized using IBM quantum computer for m = 1. In this comment, it is shown that the quantum resources used by Yu et al., was extensively high. One can perform the same task of two-party quantum teleportation using two Bell states only. The modified scheme for multi-output teleportation using optimal resources has also been implemented using IBM quantum computer for m = 1 and the obtained result is compared with the result of Yu et al.

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