Physics – Quantum Physics
Scientific paper
2010-06-08
Phys. Rev. A 82, 032323 (2010)
Physics
Quantum Physics
5 pages, 1 figure
Scientific paper
We present several entanglement conditions in order to detect bound entangled states in continuous variable systems. Specifically, Werner and Wolf [Phys. Rev. Lett. 86, 3658 (2001)] and Horodecki and Lewenstein [Phys. Rev. Lett. 85, 2657 (2000)] have proposed examples of bound entangled Gaussian state and bound entangled non-Gaussian state, respectively, of which entanglement can be detected by using our entanglement conditions.
Guo Guang-Can
Nha Hyunchul
Zhang Cheng-Jie
Zhang Yong-Sheng
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