摘要
We propose an approach to prepare GHZ(Greenberger,Horne,Zeilinger)states of an arbitrary multi-particle system in terms of Grover's fast quantum searching algorithm.The approach can be used to produce other entangled states with variou degrees of entanglement.
作者
曾浩生
匡乐满
ZENG Hao-Sheng;KUANG Le-Man(Department of Physics,Hunan Normal University,Changsha 410081)
基金
Supported by the National Natural Science Foundation of China under Grant No.19674013,Natural Science Foundation of Hu'nan Province(97JJY2051)
Educational Committee Foundation of Hu5nan Province(98B028).
