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Enhancing violations of Leggett-Garg inequalities in nonequilibrium correlated many-body systems by interactions and decoherence

Mendoza-Arenas, JJ and Gómez-Ruiz, FJ and Rodríguez, FJ and Quiroga, L (2019) Enhancing violations of Leggett-Garg inequalities in nonequilibrium correlated many-body systems by interactions and decoherence. Sci Rep, 9. 17772 - ?.

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Abstract

We identify different schemes to enhance the violation of Leggett-Garg inequalities in open many-body systems. Considering a nonequilibrium archetypical setup of quantum transport, we show that particle interactions control the direction and amplitude of maximal violation and that in the strongly-interacting and strongly-driven regime bulk dephasing enhances the violation. Through an analytical study of a minimal model, we unravel the basic ingredients to explain this decoherence-enhanced quantumness, illustrating that such an effect emerges in a wide variety of systems.

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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Mendoza-Arenas, JJ
Gómez-Ruiz, FJ
Rodríguez, FJ
Quiroga, L
Date: 2019
Journal or Publication Title: Sci Rep
Volume: 9
Page Range: 17772 - ?
DOI or Unique Handle: 10.1038/s41598-019-54121-1
Schools and Programs: Swanson School of Engineering > Mechanical Engineering and Materials Science
Refereed: Yes
Uncontrolled Keywords: cond-mat.stat-mech, cond-mat.stat-mech, cond-mat.quant-gas, quant-ph
Official URL: http://dx.doi.org/10.1038/s41598-019-54121-1
Additional Information: Main text: 9 pages, 6 Figures, Supplemental Material: 7 pages, 4 Figures. Comments welcome to fj.gomez34@dipc.org
Date Deposited: 20 Feb 2023 21:00
Last Modified: 21 Aug 2024 17:19
URI: http://d-scholarship.pitt.edu/id/eprint/44207

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