J4 ›› 2011, Vol. 28 ›› Issue (1): 44-51.

• 量子光学 • 上一篇    下一篇

基于量子联合测量的紧框架构造方法研究

颜伟 倪林   

  1.  中国科技大学电子工程与信息科学系, 安徽 合肥 230027
  • 收稿日期:2010-03-22 修回日期:2011-01-14 出版日期:2011-01-28 发布日期:2011-01-14
  • 通讯作者: 倪林(1967-),男,安徽舒城,副教授,博士,主要研究方向为小波、图像检索、视觉信息处理。 E-mail:nilin@ustc.edu.cn
  • 作者简介:颜伟(1983-), 湖南邵阳人,研究生,研究方向:研究量子测量原理启发的新型框架.Email:yanwei@mail.ustc.edu.cn
  • 基金资助:

    国家自然科学基金(60672055)

Construction method of tight frame bsaed on quantum joint measurement

YAn Wei, NI Lin   

  1. Department of Electronic Engineering & Information Science,University of Science and Technology of China,Hefei 230027,China
  • Received:2010-03-22 Revised:2011-01-14 Published:2011-01-28 Online:2011-01-14

摘要:

针对给定一个向量构造紧框架问题,研究了量子隐形传态中的联合测量,得到了一种紧框架构造方法,并且对这种紧框架构造方法进行推广,使其适用于经典和量子领域。推广后的基于联合测量的紧框架构造方法:对于给定向量,先对向量进行排列构成系数矩阵,并对系数矩阵进行奇异值分解,得到它的左、右酉矩阵和奇异值矩阵;寻找一个基,其中一列排列成的矩阵就是给定向量组的奇异值矩阵中非零部分;把基的其余列排列成奇异值矩阵中的非零部分,进行重构,就能得到紧框架其余向量。

关键词: 量子信息, 紧框架, 联合测量, 隐形传态

Abstract:

To construct a tight frame for a given vector, quantum joint measurement of teleportation was investigated, and a construction method of tight frame was proposed, which was promoted and applied in classical and quantum field. The generalized construction method of tight frame based on quantum joint measurement: Firstly, arrange the given vector into a coefficient matrix,then get its left unitary, right unitary and singular value matrix by singular value decomposition. Secondly, find a base including a column whose coefficient matrix is just the non-zero part of the singular value matrix. At the end, arrage the rest colomns of the base into non-zero part of the singular value matrix, then get the rest tight frame columns by singular value reconstruction.

Key words: quantum information, tight frame, joint measurement, teleportation

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