Generation of quadripartite unlockable bound entanglement from cascaded four-wave mixing processes

Jun Xin, Xiao-Ming Lu, Guolong Li, and Jietai Jing
Phys. Rev. A 99, 053840 – Published 28 May 2019

Abstract

We propose a scheme for generating a continuous-variable (CV) quadripartite unlockable bound entangled state from cascaded four-wave mixing processes. Different from the previous method involving a bipartite entangled state and two thermal states, our results show that the CV quadripartite unlockable bound entangled state can be generated via the internal reconfiguration of a four-mode entangled state. Both the nondistillability and superactivation of the generated CV quadripartite unlockable bound entangled state can be demonstrated. We believe that our scheme is experimentally accessible and will contribute to a deeper understanding of CV multipartite unlockable bound entanglement.

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  • Received 30 January 2019

DOI:https://doi.org/10.1103/PhysRevA.99.053840

©2019 American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
Quantum Information, Science & Technology

Authors & Affiliations

Jun Xin1,*, Xiao-Ming Lu1, Guolong Li1, and Jietai Jing2,3,4

  • 1Department of Physics, Hangzhou Dianzi University, Hangzhou 310018, China
  • 2State Key Laboratory of Precision Spectroscopy, School of Physics and Materials Science, East China Normal University, Shanghai 200062, People's Republic of China
  • 3Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi 030006, People's Republic of China
  • 4Department of Physics, Zhejiang University, Hangzhou 310027, China

  • *Corresponding author: jxin@hdu.edu.cn

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Issue

Vol. 99, Iss. 5 — May 2019

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