Detection of bound entanglement in continuous-variable systems
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We present several entanglement conditions in order to detect bound entangled states in continuous-variable systems. Specifically, Werner and Wolf [Phys. Rev. Lett.PRLTAO0031-900710.1103/PhysRevLett.86.3658 86, 3658 (2001)] and Horodecki and Lewenstein [Phys. Rev. Lett.PRLTAO0031-900710.1103/PhysRevLett. 85.2657 85, 2657 (2000)] have proposed examples of a bound entangled Gaussian state and a bound entangled non-Gaussian state, respectively, of which entanglement can be detected by using our entanglement conditions. © 2010 The American Physical Society.
author list (cited authors)
Zhang, C., Nha, H., Zhang, Y., & Guo, G.
complete list of authors
Zhang, Cheng-Jie||Nha, Hyunchul||Zhang, Yong-Sheng||Guo, Guang-Can