A Theory of Quantum Instruments

Until recently, a quantum instrument was defined to be a completely positive operation-valued measure from the set of states on a Hilbert space to itself. In the last few years, this definition has been generalized to such measures between sets of states from different Hilbert spaces called the inp...

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Bibliographic Details
Main Author: Stan Gudder
Format: Article
Language:English
Published: Quanta 2023-06-01
Series:Quanta
Online Access:https://dankogeorgiev.com/ojs/index.php/quanta/article/view/76
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