An N/4 fixed-point duality quantum search algorithm

• 作 者: Liang Hao Dan Liu GuiLu Long
• 机 构: TsinghuaUniv,TsinghuaUniv,DalianNationalitiesUniv,TsinghuaNatlLabInformatSci&,Technol
• 出 处: 中国科学：物理学、力学、天文学英文版
• 发表日期: 2010年9期
• 关键词: FIXED-POINT SEARCH ALGORITHM DUALITY quantum COMPUTING the N4 DUALITY SEARCH ALG
• 基金项目: supported by the National Natural Science Foundation of China (Grant Nos 10775076 and 10874098),the SRFPD Program in the Ministry of Education of China (Grant No 20060003048),the National Basic Resear

Here a fixed-point duality quantum search algorithm is proposed.This algorithm uses iteratively non-unitary operations and measurements to search an unsorted database.Once the marked item is found,the algorithm stops automatically.This algorithm uses a co