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arXiv:0803.4268 · Physical Review A

Distance bounds on quantum dynamics

Daniel A. Lidar, Paolo Zanardi A, Kaveh Khodjasteh

Published Jul 7, 2008• 58 citations
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Abstract

We derive rigorous upper bounds on the distance between quantum states in an open-system setting in terms of the operator norm between Hamiltonians describing their evolution. We illustrate our results with an example taken from protection against decoherence using dynamical decoupling.
DOI
10.1103/physreva.78.012308

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