Extension of the Alberti-Ulhmann criterion beyond qubit dichotomies

18 Feb 2020 Dall'Arno Michele Buscemi Francesco Scarani Valerio

The Alberti-Ulhmann criterion states that any given qubit dichotomy can be transformed into any other given qubit dichotomy by a quantum channel if and only if the testing region of the former dichotomy includes the testing region of the latter dichotomy. Here, we generalize the Alberti-Ulhmann criterion to the case of arbitrary number of qubit or qutrit states... (read more)

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  • QUANTUM PHYSICS