Data underpinning "Measuring out quasi-local integrals of motion from entanglement"
DOI10.5281/zenodo.7322988Zenodo7322988MaRDI QIDQ6710553
Dataset published at Zenodo repository.
Author name not available (Why is that?)
Publication date: 6 January 2023
Copyright license: No records found.
Quasi-local integrals of motion are a key concept underpinning the modern understanding of many-body localisation, an intriguing phenomenon in which interactions and disorder come together. Despite the existence of several numerical ways to compute them---and astoundingly in the light of the observation that much of the phenomenology of many properties can be derived from them---it is not obvious how to directly measure aspects of them in real quantum simulations; in fact, the smoking gun of their experimental observation is arguably still missing. In this work, we propose a way to extract the real-space properties of such quasi-local integrals of motion based on a spatially-resolved entanglement probe able to distinguish Anderson from many-body localisation from non-equilibrium dynamics. We complement these findings with a new rigorous entanglement bound and compute the relevant quantities using tensor networks. We demonstrate that the entanglement gives rise to a well-defined length scale that can be measured in experiments.
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