摘要
根据腔量子电动力学(QED)技术,利用放置在微腔中的超导量子干涉仪作为量子信息的载体,实现了单粒子量子态和两粒子纠缠态的远程制备,并推广到N粒子纠缠态的远程制备.研究表明只需要执行单粒子测量并能以概率1成功地实现量子态的远程制备.方案的实验可行性表明:腔场态最终处在真空态,系统的消相干效应能够在一定程度上得到抑制.
According to the technique of cavity-QED, using SQUIDs in cavity-QED as the carriers of quantum information, the remote preparations of a single-particle state and a two-particle entangled state are realized, and a generalization to a chosen multi-particle entangled state is also proposed. The research result suggests that the single-particle projective measurements are enough for the success of the remote preparations of the quantum states only with the probability of 1. The experimental feasibility of this scheme is that the cavity field is ultimately in the vacuum state and thus the decoherence of the system is, to some extent, suppressed.
出处
《襄樊学院学报》
2008年第5期22-26,共5页
Journal of Xiangfan University
基金
江西省自然科学基金资助(2007GZW0819)
江西省教育厅科研基金资助((2007)191)
