Cited by 91Quantum Computing Algorithms and ArchitectureCold Atom Physics and Bose-Einstein CondensatesQuantum many-body systems

A coherent quantum annealer with Rydberg atoms

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Glaetzle, A. W., van Bijnen, R. M. W., Zoller, P., Lechner, W.·2017·Nature Communications

Abstract

There is a significant ongoing effort in realizing quantum annealing with different physical platforms. The challenge is to achieve a fully programmable quantum device featuring coherent adiabatic quantum dynamics. Here we show that combining the well-developed quantum simulation toolbox for Rydberg atoms with the recently proposed Lechner–Hauke–Zoller (LHZ) architecture allows one to build a prototype for a coherent adiabatic quantum computer with all-to-all Ising interactions and, therefore, a platform for quantum annealing. In LHZ an infinite-range spin-glass is mapped onto the low energy subspace of a spin-1/2 lattice gauge model with quasi-local four-body parity constraints. This spin model can be emulated in a natural way with Rubidium and Caesium atoms in a bipartite optical lattice involving laser-dressed Rydberg–Rydberg interactions, which are several orders of magnitude larger than the relevant decoherence rates. This makes the exploration of coherent quantum enhanced optimization protocols accessible with state-of-the-art atomic physics experiments.

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  • A general proposal for quantum annealing with neutral atom processors utilises the LHZ-scheme, in which the qubits represent the edges of a problem graph, allowing to realise an effective all-to-all connectivity with local Rydberg interactions.

    “A general proposal for quantum annealing with neutral atom processors utilises the socalled LHZ-scheme [101,102], in which the qubits represent the edges of a problem graph, allowing to realise an effective all-to-all connectivity with local Rydberg interactions.”

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1 of the 45 references couldn’t be matched to a known paper.

Research works printed but not linked: 2

  1. Farhi E., Goldstone J., Gutmann S. & Sipser M. Quantum Computation by Adiabatic Evolution. Preprint at https://arxiv.org/abs/quant-ph/0001106 (2000). · arXiv
  2. Glaetzle A. W. Designing Frustrated Quantum Magnets with LaserDressed Rydberg Atoms. Phys. Rev. Lett. 114, 173002 (2015). 25978228

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Authors
Glaetzle, A. W., van Bijnen, R. M. W., Zoller, P., & Lechner, W.
Affiliations
  • Centre for Quantum Technologies (SG)
  • Austrian Academy of Sciences (AT)
Corresponding author
  • Glaetzle, A. W.
  • Lechner, W.
Venue
Nature Communications
Published
2017-06-22
Volume
8
Issue
1
Pages
15813-15813
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2555649822
Cited by
91
References
45
Citations by year
2026: 3 · 2025: 7 · 2024: 11 · 2023: 10 · 2022: 8 · 2021: 13 · 2020: 18 · 2019: 11 · 2018: 6 · 2017: 4
FWCI
6.36
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • arXiv (Cornell University)
Funders
  • Austrian Science Fund (F4016-N23, F4016)
  • Universität Innsbruck
  • Horizon 2020 Framework Programme (EU‐H2020)
Topics
  • 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
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum many-body systems
Keywords
quantum annealing, Rydberg atoms, parity constraints, Rydberg-Rydberg interaction, spin glass, quantum simulation, quantum optimization, decoherence

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