On the face of it, characterizing quantum dynamics in the exponentially large Hilbert space of a many-body system might require prohibitively many experiments. In fact, the locality of physical interactions means that it can be done efficiently.
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03 June 2021
A Correction to this paper has been published: https://doi.org/10.1038/s41567-021-01284-2
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Dunjko, V. Inside quantum black boxes. Nat. Phys. 17, 880–881 (2021). https://doi.org/10.1038/s41567-021-01246-8
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DOI: https://doi.org/10.1038/s41567-021-01246-8
