Electric-Circuit Realization of Fast Quantum Search

查看全文 作　　者：Naiqiao [1]Pan;Tian [1]Chen;Houjun [2]Sun;Xiangdong [1]Zhang

机构地区：[1]Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurements of Ministry of Education,Beijing Key Laboratory of Nanophotonics&Ultrafine Optoelectronic Systems,School of Physics,Beijing Institute of Technology,Beijing 100081,China;[2]Beijing Key Laboratory of Millimeter Wave and Terahertz Techniques,School of Information and Electronics,Beijing Institute of Technology,Beijing 100081,China

出　　处：《Research》索引2021年第1期,共8页

基　　金：supported by the National Key R&D Pro-gram of China under Grant no.2017YFA0303800;the National Natural Science Foundation of China(91850205). 摘　　要：Quantum search algorithm,which can search an unsorted database quadratically faster than any known classical algorithms,has become one of the most impressive showcases of quantum computation.It has been implemented using various quantum schemes.Here,we demonstrate both theoretically and experimentally that such a fast search algorithm can also be realized using classical electric circuits.The classical circuit networks to perform such a fast search have been designed.It has been shown that the evolution of electric signals in the circuit networks is analogies of quantum particles randomly walking on graphs described by quantum theory.The searching efficiencies in our designed classical circuits are the same to the quantum schemes.Because classical circuit networks possess good scalability and stability,the present scheme is expected to avoid some problems faced by the quantum schemes.Thus,our findings are advantageous for information processing in the era of big data. 关键词：theory. QUANTUM FASTER

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Electric-Circuit Realization of Fast Quantum Search

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