Prescription for experimental determination of the dynamics of a quantum black box
- 1 November 1997
- journal article
- research article
- Published by Taylor & Francis in Journal of Modern Optics
- Vol. 44 (11-12) , 2455-2467
- https://doi.org/10.1080/095003497152609
Abstract
We give an explicit way to experimentally determine the evolution operators which completely describe the dynamics of a quantum-mechanical black box: an arbitrary open quantum system. We show necessary and sufficient conditions for this to be possible and illustrate the general theory by considering specifically one-and two-quantum-bit systems. These procedures may be useful in the comparative evaluation of experimental quantum measurement, communication and computation systems.Keywords
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