2014.07.23 15:31
실적년도 | 2012년 |
---|---|
논문구분 | 국외 |
총저자 | Kil-Chan Ha, Seung-Hyeok Kye |
학술지명 | Journal of Physics A: Mathematical and Theoretical |
권(Vol.) | 45 |
호(No.) | 41 |
게재년월 | 2012년 10월 |
Impact Factor | |
SCI 등재 | SCI |
비고 |
We construct optimal PPTES witnesses to detect 33 PPT entangled edge states of type (6, 8) constructed recently by Kye and Osaka (2012 J. Math. Phys. 53 052201). To do this, we consider positive linear maps which are variants of the Choi type map involving complex numbers, and examine several notions related to the optimality of those entanglement witnesses. Throughout the discussion, we suggest a method to check the optimality of entanglement witnesses without the spanning property.
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