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New Approach for Calculating Tomograms of Quantum States by Virtue of the IWOP Technique
  • ISSN号：0253-6102
  • 期刊名称：《理论物理通讯：英文版》
  • 时间：0
  • 分类：O413[理学—理论物理;理学—物理]
  • 作者机构：[1]Department of Physics, Shanghai Jiao Tong University, Shanghai 200030, China, [2]Department of Material Science and Engineering, University of Science and Technology of China, Hefei 230026, China, [3]Department of Physics, Liaocheng University, Liaocheng 252059, China
  • 相关基金：The project supported by National Natural Science Foundation of China under Grant No. 10475056 and the Specialized Research Fund for the Doctorial Progress of Higher Education under Grant No. 20040358019
作者： FAN Hong-Yi[1,2], WANG Ji-Suo[3]
关键词： 量子态, X线断层照片, 计算方法, 虚拟IWOP技术, tomogram, intermediate coordinate-momentum representation
中文摘要：

我们显示出那因为 tomographic 在那里来临存在二相互结合量状态| p ，σ，τ 】 和| x ，μ， v 】 (说出中间的 coordinate-momentumrepresentation )，并且 Wigner 操作员的二氡变换只是纯状态的密度矩阵| p 】 _(σ，τσ，τ)【 p |并且 | x 】 _( λ， v λ， v )【 x |分别地。作为结果，量状态的断层照片能被看作状态的模块平方“在这二个代表的波浪功能。在整个纸，我们充分在操作员的一个订的产品以内采用集成的技术。这样，我们建立量断层照片的一个新方便形式体系。

英文摘要：

We show that for tomographic approach there exist two mutual conjugate quantum states [p,σ, τ） and [x,μ, ν） （named the intermediate coordinate-momentum representation）, and the two Radon transforms of the Wigner operator are just the pure-state density matrices [p）σ1τσ1τ （p｜ and （p）λ,ν,λ,ν,（x｜ respectively. As a result, the tomogram of quantum states can be considered as the module-square of the states＇ wave function in these two representations. Throughout the paper we fully employ the technique of integration within an ordered product of operators. In this way we establish a new convenient formalism of quantum tomogram.

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期刊信息
  • 《理论物理通讯：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中科院理论物理所 中国物理学会
  • 主编：孙昌浦
  • 地址：北京2735邮政信箱 中国科学院理论物理研究所编辑部
  • 邮编：100190
  • 邮箱：ctp@itp.ac.cn
  • 电话：010-62551495 62541813 62550630
  • 国际标准刊号：ISSN：0253-6102
  • 国内统一刊号：ISSN：11-2592/O3
  • 邮发代号:
  • 获奖情况:
  • 首届国家期刊奖,中国科学院优秀期刊特别奖,国家期刊奖百种重点期刊,中国期刊方阵“双高”期刊
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  • 被引量:342