Xiaolong Yang, Dongfen Li, Jie Zhou, Yuqiao Tan, Yundan Zheng, Xiaofang Liu
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Research on quantum dialogue protocol based on the HHL algorithm
This paper presents an improved quantum dialogue protocol based on the HHL algorithm. In this protocol, Alice and Bob want to transmit their classical information to each other. Combining the HHL algorithm and quantum linear equation ensures that eavesdroppers cannot steal the data of communicators. In addition, communicators will connect come HHL quantum circuit constructed in this scheme with the swap test circuit to calculate the solution rather than directly measuring the result, which can improve the solution speed. Security analysis shows that this scheme is more secure than other general quantum dialogue schemes, and it can realize information protection in extreme cases, with good security and higher transmission efficiency.
期刊介绍：
Quantum Information Processing is a high-impact, international journal publishing cutting-edge experimental and theoretical research in all areas of Quantum Information Science. Topics of interest include quantum cryptography and communications, entanglement and discord, quantum algorithms, quantum error correction and fault tolerance, quantum computer science, quantum imaging and sensing, and experimental platforms for quantum information. Quantum Information Processing supports and inspires research by providing a comprehensive peer review process, and broadcasting high quality results in a range of formats. These include original papers, letters, broadly focused perspectives, comprehensive review articles, book reviews, and special topical issues. The journal is particularly interested in papers detailing and demonstrating quantum information protocols for cryptography, communications, computation, and sensing.
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