Abstract
In this paper, a controlled bidirectional quantum secure direct communication (CBQSDC) protocol is proposed by using six-qubit entangled states. It can successfully avoid the information leakage problem and resist the outside attacks from Eve. Moreover, it needs single-particle measurements and Bell basis measurements, and has the information-theoretical efficiency of40%.
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Pan, HM. Controlled Bidirectional Quantum Secure Direct Communication with Six-Qubit Entangled States. Int J Theor Phys 60, 2943–2950 (2021). https://doi.org/10.1007/s10773-021-04866-1
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DOI: https://doi.org/10.1007/s10773-021-04866-1