The DOI matches its Crossref record; 52 of the 52 references it cites were found in a registry or an index.
Weak ergodicity breaking from quantum many-body scars
Open accessAbstract
The thermodynamic description of many-particle systems rests on the assumption of ergodicity, the ability of a system to explore all allowed configurations in the phase space. Recent studies on many-body localization have revealed the existence of systems that strongly violate ergodicity in the presence of quenched disorder. Here, we demonstrate that ergodicity can be weakly broken by a different mechanism, arising from the presence of special eigenstates in the many-body spectrum that are reminiscent of quantum scars in chaotic non-interacting systems. In the single-particle case, quantum scars correspond to wavefunctions that concentrate in the vicinity of unstable periodic classical trajectories. We show that many-body scars appear in the Fibonacci chain, a model with a constrained local Hilbert space that has recently been experimentally realized in a Rydberg-atom quantum simulator. The quantum scarred eigenstates are embedded throughout the otherwise thermalizing many-body spectrum but lead to direct experimental signatures, as we show for periodic recurrences that reproduce those observed in the experiment. Our results suggest that scarred many-body bands give rise to a new universality class of quantum dynamics, opening up opportunities for the creation of novel states with long-lived coherence in systems that are now experimentally realizable. Ergodicity can be strongly broken by integrable or many-body localized systems. A new form of weak ergodicity breaking is shown to arise from the presence of special eigenstates in the many-body spectrum akin to quantum scars in chaotic systems.
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Cited by
Quantum Phases of Matter on a 256-Atom Programmable Quantum Simulator
Ebadi, S., Wang, T. T., Levine, H., Keesling, A., Semeghini, G., Omran, A., Bluvstein, D., Samajdar, R., Pichler, H., Ho, W. W., et al. (2020) · arXiv · doi:10.48550/arxiv.2012.12281 · Cited by 995
Quantum phases of matter on a 256-atom programmable quantum simulator
Ebadi, S., Wang, T. T., Levine, H., Keesling, A., Semeghini, G., Omran, A., Bluvstein, D., Samajdar, R., Pichler, H., Ho, W. W., et al. (2021) · Nature · doi:10.1038/s41586-021-03582-4 · Cited by 995
K S, U. (2025) · Zenodo (CERN European Organization for Nuclear Research) · doi:10.5281/zenodo.18067974 · Cited by 733
Generation and manipulation of Schrödinger cat states in Rydberg atom arrays
Omran, A., Levine, H., Keesling, A., Semeghini, G., Wang, T. T., Ebadi, S., Bernien, H., Zibrov, A. S., Pichler, H., Choi, S., et al. (2019) · Science · doi:10.1126/science.aax9743 · Cited by 633
Quantum computing with neutral atoms
Henriet, L., Beguin, L., Signoles, A., Lahaye, T., Browaeys, A., Reymond, G.-O., & Jurczak, C. (2020) · Quantum · doi:10.22331/q-2020-09-21-327 · Cited by 550
Metadata
- Authors
- Turner, C. J., Michailidis, A. A., Abanin, D. A., Serbyn, M., & Papić, Z.
- Venue
- Nature Physics
- Published
- 2018-05-14
- Volume
- 14
- Issue
- 7
- Pages
- 745-749
- ISSN
- 1745-2473 (ISSN-L)
- 1745-2481
- OpenAlex
- W3099451552
- Cited by
- 988
- References
- 52
- FWCI
- 40.54
- Type
- journal article
- Language
- en
- Open access
- green
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