Entanglement detection via some classes of measurements

Shu-Qian Shen, Ming Li, and Xue-Feng Duan
Phys. Rev. A 91, 012326 – Published 20 January 2015

Abstract

Based on the mutually unbiased bases, the mutually unbiased measurements and the general symmetric informationally complete positive-operator-valued measures, we propose three separability criteria for d-dimensional bipartite quantum systems, which are more powerful than the corresponding ones introduced previously [C. Spengler, M. Huber, S. Brierley, T. Adaktylos, and B. C. Hiesmayr, Phys. Rev. A 86, 022311 (2012); B. Chen, T. Ma, and S. M. Fei, Phys. Rev. A 89, 064302 (2014); and B. Chen, T. Li, and S. M. Fei, arXiv:1406.7820v1 [quant-ph] (2014)]. Some states such as Werner states and Bell-diagonal states are used to further illustrate the efficiency of the presented criteria.

  • Received 11 September 2014

DOI:https://doi.org/10.1103/PhysRevA.91.012326

©2015 American Physical Society

Authors & Affiliations

Shu-Qian Shen1,*, Ming Li1,†, and Xue-Feng Duan2,‡

  • 1College of Science, China University of Petroleum, Qingdao, 266580, People's Republic of China
  • 2College of Mathematics and Computational Science, Guilin University of Electronic Technology, Guilin, 541004, People's Republic of China

  • *sqshen@upc.edu.cn
  • liming@upc.edu.cn
  • duanxuefenghd@aliyun.com

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Vol. 91, Iss. 1 — January 2015

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