Long-range QKD without trusted nodes is not possible with current technology
NPJ QUANTUM INFORMATION(2022)
摘要
recently published patent ( https://www.ipo.gov.uk/p-ipsum/Case/PublicationNumber/GB2590064 ) has claimed the development of a novel quantum key distribution protocol purporting to achieve long-range quantum security without trusted nodes and without use of quantum repeaters. Here we present a straightforward analysis of this claim, and reach the conclusion that it is largely unfounded.
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关键词
Information theory and computation,Quantum information,Physics,general,Quantum Physics,Quantum Information Technology,Spintronics,Quantum Computing,Quantum Field Theories,String Theory,Classical and Quantum Gravitation,Relativity Theory
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