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arXiv:1903.00030 · American Journal of Physics

Quantum no-cloning theorem and entanglement

Mark G. Kuzyk

Published Apr 19, 2019• 9 citations
arXivHTMLPDF

Abstract

We recast the quantum no-cloning theorem in a form that preserves spin statistics and apply it to entanglement.
DOI
10.1119/1.5093815

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We propose a bio-inspired sequential quantum protocol for the cloning and preservation of the statistics associated to quantum observables of a given system. It combines the cloning of a set of commuting observables, permitted by the no-cloning and no-broadcasting theorems, with a controllable propagation of the initial state coherences to the subsequent generations. The protocol mimics the scenario in which an individual in an unknown quantum state copies and propagates its quantum information into an environment of blank qubits Finally, we propose a realistic experimental implementation of this protocol in trapped ions.