No Signalling and Probabilistic Quantum Cloning

Abstract

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.

5 pages

Cited by in corpus (21)

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• Broadcasting of Quantum Correlations: Possibilities & Impossibilities
• Probabilistic exact cloning and probabilistic no-signalling
• Asymmetric broadcasting of quantum correlations
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• Probing Quantum Telecloning on Superconducting Quantum Processors
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• Probabilistic exact deletion and probabilistic no-signalling
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• From no causal loop to absoluteness of cause: discarding the quantum NOT logic
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• Broadcasting of non-locality