Construction of nonlocal multipartite quantum states

Zhi-Chao Zhang, Ke-Jia Zhang, Fei Gao, Qiao-Yan Wen, and C. H. Oh
Phys. Rev. A 95, 052344 – Published 24 May 2017

Abstract

For general bipartite quantum systems, many sets of locally indistinguishable orthogonal product states have been constructed so far. Here, we first present a general method to construct multipartite orthogonal product states in d1d2dn(d1,2,,n3,n4) by using some locally indistinguishable bipartite orthogonal product states. And we prove that these multipartite orthogonal quantum states cannot be distinguished by local operations and classical communication. Furthermore, in d1d2dn(d1,2,,n3,n5), we give a general method to construct a much smaller number of locally indistinguishable multipartite orthogonal product states for even and odd n separately. In addition, we also present a general method to construct complete orthogonal product bases for the multipartite quantum systems. Our results demonstrate the phenomenon of nonlocality without entanglement for the multipartite quantum systems.

  • Received 2 March 2017

DOI:https://doi.org/10.1103/PhysRevA.95.052344

©2017 American Physical Society

Physics Subject Headings (PhySH)

Quantum Information, Science & Technology

Authors & Affiliations

Zhi-Chao Zhang1,2,3, Ke-Jia Zhang2,4, Fei Gao1,*, Qiao-Yan Wen1, and C. H. Oh2

  • 1State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China
  • 2Centre for Quantum Technologies, National University of Singapore, 2 Science Drive 3, Singapore 117542
  • 3State Key Laboratory of Information Security, Institute of Information Engineering, Chinese Academy of Sciences, Beijing 100093, China
  • 4School of Mathematical Science, Heilongjiang University, Harbin 150080, China

  • *gaofei_bupt@hotmail.com

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Issue

Vol. 95, Iss. 5 — May 2017

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