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Cited by 1,079Quantum many-body systemsQuantum Computing Algorithms and ArchitectureCold Atom Physics and Bose-Einstein Condensates

The DOI matches its Crossref record; 49 of the 50 references it cites were found in a registry or an index.

Observation of a many-body dynamical phase transition with a 53-qubit quantum simulator

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Zhang, J., Pagano, G., Hess, P. W., Kyprianidis, A., Becker, P., Kaplan, H., Gorshkov, A. V., Gong, Z.-X., Monroe, C.·2017·Nature
DOI 10.1038/nature24654PMC PMC6506159
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Abstract

A quantum simulator is a type of quantum computer that controls the interactions between quantum bits (or qubits) in a way that can be mapped to certain quantum many-body problems. As it becomes possible to exert more control over larger numbers of qubits, such simulators will be able to tackle a wider range of problems, such as materials design and molecular modelling, with the ultimate limit being a universal quantum computer that can solve general classes of hard problems. Here we use a quantum simulator composed of up to 53 qubits to study non-equilibrium dynamics in the transverse-field Ising model with long-range interactions. We observe a dynamical phase transition after a sudden change of the Hamiltonian, in a regime in which conventional statistical mechanics does not apply. The qubits are represented by the spins of trapped ions, which can be prepared in various initial pure states. We apply a global long-range Ising interaction with controllable strength and range, and measure each individual qubit with an efficiency of nearly 99 per cent. Such high efficiency means that arbitrary many-body correlations between qubits can be measured in a single shot, enabling the dynamical phase transition to be probed directly and revealing computationally intractable features that rely on the long-range interactions and high connectivity between qubits.

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Metadata

Authors
Zhang, J., Pagano, G., Hess, P. W., Kyprianidis, A., Becker, P., Kaplan, H., Gorshkov, A. V., Gong, Z.-X., & Monroe, C.
Affiliations
National Institute of Standards and Technology (US)
Corresponding author
Zhang, J.
ORCID
Venue
Nature
Publisher
Springer Science and Business Media LLC
Published
2017-11-30
Volume
551
Issue
7682
Pages
601-604
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
DOI
10.1038/nature24654
PMC
PMC6506159
OpenAlex
W2744305830
Semantic Scholar
c0a03980f716165b71587b2e20a02af7e17abe69
Cited by
1,079
References
50
Citations by year
2026: 58 · 2025: 94 · 2024: 112 · 2023: 121 · 2022: 131 · 2021: 164 · 2020: 163 · 2019: 139 · 2018: 93 · 2017: 4
FWCI
53.54
Type
journal article
Language
en
Open access
Licence
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • arXiv (Cornell University)
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum many-body systems
  • Physical Sciences › Computer Science › Artificial Intelligence › Quantum Computing Algorithms and Architecture
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Cold Atom Physics and Bose-Einstein Condensates
Keywords
quantum simulation, trapped-ion quantum simulator, transverse-field Ising model, long-range interactions, nonequilibrium dynamics, single-shot measurement, many-body correlations, quantum computing

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