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Resource theory of quantum scrambling

Roy J. Garcia, Kaifeng Bu, A. Jaffe

Proceedings of the National Academy of Sciences of the United States of America, 2022

56 citations

Abstract

Significance The study of chaos has had a significant impact on many scientific disciplines, including quantum physics. One of the hallmarks of quantum chaos is the generation of quantum scrambling, which characterizes information spreading. Here, we introduce a formal definition of scrambling and develop a resource theory to measure it. We validate the usefulness of our resource theory by giving two examples of applications in quantum information, one theoretical and one experimental. Our framework of resource theory provides an approach to study quantum chaos and its applications.

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