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Title: Surveying structural complexity in quantum many-body systems
Authors: Suen, Whei Yeap
Elliott, Thomas J.
Thompson, Jayne
Garner, Andrew J. P.
Mahoney, John R.
Vedral, Vlatko
Gu, Mile
Keywords: Science::Physics
Issue Date: 2022
Source: Suen, W. Y., Elliott, T. J., Thompson, J., Garner, A. J. P., Mahoney, J. R., Vedral, V. & Gu, M. (2022). Surveying structural complexity in quantum many-body systems. Journal of Statistical Physics, 187(1).
Project: NRF-NRFF2016-02 
Journal: Journal of Statistical Physics
Abstract: Quantum many-body systems exhibit a rich and diverse range of exotic behaviours, owing to their underlying non-classical structure. These systems present a deep structure beyond those that can be captured by measures of correlation and entanglement alone. Using tools from complexity science, we characterise such structure. We investigate the structural complexities that can be found within the patterns that manifest from the observational data of these systems. In particular, using two prototypical quantum many-body systems as test cases—the one-dimensional quantum Ising and Bose–Hubbard models—we explore how different information-theoretic measures of complexity are able to identify different features of such patterns. This work furthers the understanding of fully-quantum notions of structure and complexity in quantum systems and dynamics.
ISSN: 0022-4715
DOI: 10.1007/s10955-022-02895-6
Rights: © 2022 The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SPMS Journal Articles

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