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Quantum cloning of orthogonal qubits

✍ Scribed by J. Fiurášek; S. Iblisdir; S. Massar; N.J. Cerf


Book ID
105357247
Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
86 KB
Volume
51
Category
Article
ISSN
0015-8208

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✦ Synopsis


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.


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