Comment on: “A class of bound entangled states” [Phys. Lett. A 352 (2006) 321] |
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| Authors: | Wei Cheng |
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| Affiliation: | College of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China |
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| Abstract: | We generalize the condition keeping the special states bound entangled [S.-M. Fei, X. Li-Jost, B.-Z. Sun, Phys. Lett. A 352 (2006) 321] to the general states. Taking the original 4×4 states as 2×8 states we show that they still can be bound entangled. |
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| Keywords: | 03.65.Bz 89.70.+c |
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