No Signalling and Probabilistic Quantum Cloning
classification
🪐 quant-ph
keywords
quantumcloningconditionprobabilisticsignallingclonedconstraintsduan
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We show that the condition of no faster-than-light signalling restricts the number of quantum states that can be cloned in 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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