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在四能级系统中实现单粒子及两粒子量子态的远程制备
  • ISSN号：1000-0364
  • 期刊名称：《原子与分子物理学报》
  • 时间：0
  • 分类：O431.2[机械工程—光学工程;理学—光学;理学—物理]
  • 作者机构：[1]安徽大学物理与材料科学学院光电信息获取与控制教育部重点实验室,合肥市230039
  • 相关基金：国家自然科学基金（11074002）;光电信息获取与控制教育部重点实验室开放基金
作者： 王栋[1]
关键词： 远程态制备, 四能级, 投影测量, 成功几率, remote state preparation, four-level system, projective measurement, successful probability
中文摘要：

本文提出两种协议来实现远程态制备．第一个方案描述基于两体最大纠缠信道，如何远程制备四能级系统中的任意单粒子量子态．然后由第一个方案概括出第二个方案，即在四能级系统中实现两粒子纠缠态的远程制备方案．在两种制备的过程中，需要分别实施一个单粒子投影测量和一个两粒子投影测量．结果表明，两个方案都能以大于25％的几率忠信地实现．此外，对于两类特殊态，即赤道态和实数态，其成功概率大大提高至100％，此时我们几率的协议转变为决定性的协议．

英文摘要：

In this paper, we propose two schemes to realize remote state preparation （RSP）. The first scheme is designed to prepare an arbitrary single-particle state in a four-level system with the aid of one bipartite maximally entangled channel, and then generalized to the second scheme, i. e. , RSP for a two- particle state in a four-level system. During the two preparations, one single-particle projective measurement and one two-particle projective measurement are performed respectively. Our results show the preparation for single-particle or two-particle states can be remotely realized with at least 25% successful probability and unit fidelity. Furthermore, with respect to two special ensembles of the prepared states, i. e. , real and equatorial-like, the successful probability can be pushed up to 100%. Hence our probabilistic schemes become deterministic ones.

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期刊信息
  • 《原子与分子物理学报》
  • 北大核心期刊（2011版）
  • 主管单位:四川省科学技术协会
  • 主办单位:中国物理学会 原子与分子物理专业委员会 四川省物理学会 四川大学
  • 主编：芶清泉
  • 地址：成都市一环路南一段24号
  • 邮编：610065
  • 邮箱：yzyf@chinajournal.net.cn
  • 电话：028-85405516
  • 国际标准刊号：ISSN：1000-0364
  • 国内统一刊号：ISSN：51-1199/O4
  • 邮发代号:62-54
  • 获奖情况:
  • 四川省高等学校优秀期刊,四川省科技期刊优秀期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,日本日本科学技术振兴机构数据库,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,英国英国皇家化学学会文摘,中国北大核心期刊（2000版）
  • 被引量:4084