Teleported State and its Fidelity in Quantum Teleportation of Continuous Variables
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Abstract
When given an unknown quantum state which may be either a pure or mixed state in the coherent state representation, we show that explicit expressions for the teleported state and its fidelity in the teleportation process (S.L. Braunstein and H. J. Kimble, Phys. Rev. Lett. 80(1998)869) can be obtained without explict expansions for the two-mode squeezed vacuum state and the Bell basis in a specified representation.
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LI Fu-Li, LI Hong-Rong, ZHANG Jun-Xiang, ZHU Shi-Yao. Teleported State and its Fidelity in Quantum Teleportation of Continuous Variables[J]. Chin. Phys. Lett., 2003, 20(1): 14-17.
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LI Fu-Li, LI Hong-Rong, ZHANG Jun-Xiang, ZHU Shi-Yao. Teleported State and its Fidelity in Quantum Teleportation of Continuous Variables[J]. Chin. Phys. Lett., 2003, 20(1): 14-17.
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LI Fu-Li, LI Hong-Rong, ZHANG Jun-Xiang, ZHU Shi-Yao. Teleported State and its Fidelity in Quantum Teleportation of Continuous Variables[J]. Chin. Phys. Lett., 2003, 20(1): 14-17.
|
LI Fu-Li, LI Hong-Rong, ZHANG Jun-Xiang, ZHU Shi-Yao. Teleported State and its Fidelity in Quantum Teleportation of Continuous Variables[J]. Chin. Phys. Lett., 2003, 20(1): 14-17.
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