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.

Quantum scrambling can be measured using resource theory, which can be applied to study quantum chaos and its applications in quantum information.

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Resource theory of quantum scrambling

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