Data di Pubblicazione:
2006
Citazione:
Cloning of observables / Alessandro Ferraro, Matteo Galbiati, Matteo G. A. Paris. - In: JOURNAL OF PHYSICS. A, MATHEMATICAL AND GENERAL. - ISSN 0305-4470. - 39:14(2006), pp. L219-L228.
Abstract:
We introduce the concept of cloning for classes of observables and classify cloning machines for qubit systems according to the number of parameters needed to describe the class under investigation. A no-cloning theorem for observables is derived and the connections between cloning of observables and joint measurements of noncommuting observables are elucidated. Relationships with cloning of states and non-demolition measurements are also analysed.
Tipologia IRIS:
01 - Articolo su periodico
Keywords:
Quantum cloning ; communication
Elenco autori:
Alessandro Ferraro, Matteo Galbiati, Matteo G. A. Paris
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