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On Estimation of Fully Entangled Fraction |
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| Authors: | GU Rui-Juan LI Ming FEI Shao-Ming LI-Jost Xian-Qing |
| Institution: | 1.School of Mathematical Sciences, Capital Normal University, Beijing 100048, China ;2.College of Mathematics and Computational Science, China University of Petroleum, Dongying 257061, China ;3.Max-Planck-Institute for Mathematics in the Sciences, Leipzig 04103,;Germany ;4.Department of Mathematics, Hainan Normal University, Haikou 571158,;China |
| Abstract: | We study the fully entangled fraction (FEF) of arbitrary mixed states. New upper bounds of FEF are derived. These upper bounds make complements on the estimation of the value of FEF. For weakly mixed quantum states, an upper bound is shown to be very tight to the exact value of FEF. |
| Keywords: | entanglement fully entangled fraction |
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