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Quantum cloning

✍ Scribed by Scarani, Valerio; Iblisdir, Sofyan; Gisin, Nicolas; Acín, Antonio


Book ID
121659643
Publisher
The American Physical Society
Year
2005
Tongue
English
Weight
540 KB
Volume
77
Category
Article
ISSN
0034-6861

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## Abstract An optimal universal cloning transformation is derived that produces __M__ copies of an unknown qubit from a pair of orthogonal qubits. For __M__>6, the corresponding cloning fidelity is higher than that of the optimal copying of a pair of identical qubits.