Optimal controlled teleportation via several kinds of three-qubit states |
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| Authors: | Ting Gao FengLi Yan and YouCheng Li |
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| Institution: | (1) College of Mathematics and Information Science, Hebei Normal University, Shijiazhuang, 050016, China;(2) Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Str. 1, D-85748 Garching, Germany;(3) College of Physics and Information Engineering, Hebei Normal University, Shijiazhuang, 050016, China |
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| Abstract: | The probability of successful controlled teleportation of an unknown qubit using a general three-particle state is investigated.
The analytic expressions of maximal probabilities via several kinds of tripartite states are given, including a tripartite
Greenberger-Horne-Zeilinger state and a tripartite W-state.
Supported by the National Natural Science Foundation of China (Grant No. 10671054), the Key Project of Science and Technology
Research of Ministry of Education of China (Grant No. 207011), and the Natural Science Foundation of Hebei Province, China
(Grant No. 07M006) |
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| Keywords: | controlled teleportation three-qubit state maximal probability |
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