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Optimal cloning and no signaling

✍ Scribed by Sibasish Ghosh; Guruprasad Kar; Anirban Roy

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
46 KB
Volume
261
Category
Article
ISSN
0375-9601

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✦ Synopsis

It is shown that the no signaling constraint generates the whole class of 1 β„’ 2 optimal quantum cloning machines of single qubits

πŸ“œ SIMILAR VOLUMES

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✍ Lucien Hardy; David D Song πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 32 KB

We show that the condition of no faster-than-light signalling restricts the number of quantum states that can be cloned in Ε½ . a given Hilbert space. This condition leads to the constraints on a probabilistic quantum cloning machine PQCM recently found by Duan and Guo.

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