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Existence and construction of a quantum channel with given inputs and outputs
  • ISSN号：1001-6538
  • 期刊名称：Chinese Science Bulletin
  • 时间：2012
  • 页码：4346-4350
  • 分类：TP334.23[自动化与计算机技术—计算机系统结构;自动化与计算机技术—计算机科学与技术] O413[理学—理论物理;理学—物理]
  • 作者机构：[1]College of Mathematics and Information Science, Shaanxi Normal University, Xi'an 710062, China
  • 相关基金：This work was supported by the National Natural Science Foundation of China （11171197）, the FRF for the Central Universities （GK201104010）, and IFGP of SNU （2011CXB004）.
  • 相关项目：算子概率论中的算子论和算子代数问题
作者： Guo Zhihua|Cao Huaixin|
关键词： 量子通道, 输出状态, 输入, 充分必要条件, 量子计算机, existence, quantum channel, generalized unitary operation, duality quantum computer
中文摘要：

我们导出那为一条量隧道和为二个给定的家庭送 i 给 B i (1 i k ) 的概括单一的操作的存在的足够、必要的条件 { i } i=1 k， { B i } 矩阵的 i=1 k 分别地。作为一个应用程序，为有给定的输入产量状态的一台单一的两重性量计算机的存在的一个足够、必要的条件被获得。

英文摘要：

We derive that sufficient and necessary conditions for existence of a quantum channel Ф and a generalized unitary operation ε sending Ai to Bi（1 ≤ i ≤ k） for two given families {Ai}k i=1, {Bi}k i=1 of matrices, respectively. As an application, a sufficient and necessary condition for existence of a unitary duality quantum computer with given input-output states is obtained.

同期刊论文项目
算子概率论中的算子论和算子代数问题
期刊论文 66
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