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Efficient quantum Gibbs sampling of stabilizer codes using hybrid computation

Ivan H. C. Shum, Angela Capel
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⚡ Quantum Brief
Researchers Ivan H.C. Shum and Angela Capel introduced hybrid quantum-classical algorithms to efficiently sample Gibbs states of stabilizer code Hamiltonians, advancing quantum error correction simulations. Their approach achieves near-linear quantum circuit depth—~L/2 for rotated surface codes and L for toric codes—where L is the lattice side length, significantly reducing computational overhead. The study demonstrates that non-local gates enable logarithmic-depth preparation of Gibbs states for 1D periodic Ising models, requiring only linearly many simultaneous measurements. The work highlights a practical trade-off: local-only operations maintain hardware feasibility, while non-local gates unlock exponential speedups for specific models. This hybrid method bridges theoretical quantum sampling and near-term hardware constraints, offering scalable tools for fault-tolerant quantum computing research.
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Quantum Physics arXiv:2511.10839 (quant-ph) [Submitted on 13 Nov 2025] Title:Efficient quantum Gibbs sampling of stabilizer codes using hybrid computation Authors:Ivan H.C. Shum, Angela Capel View a PDF of the paper titled Efficient quantum Gibbs sampling of stabilizer codes using hybrid computation, by Ivan H.C. Shum and 1 other authors View PDF HTML (experimental) Abstract:We present hybrid Gibbs sampling algorithms for the stabilizer code Hamiltonians of the rotated surface code and the toric code with only local quantum algorithms, using $\sim L/2$ quantum circuit depth to prepare the Gibbs state of the rotated surface code Hamiltonian, and $L$ quantum circuit depth to prepare the Gibbs state of the toric code Hamiltonian, being $L$ the side of the side of the square lattice. We further show that if we allow for non-local gates, the Gibbs state of the periodic 1D Ising model can be prepared in logarithmic depth and linearly many simultaneous measurements. Subjects: Quantum Physics (quant-ph) Cite as: arXiv:2511.10839 [quant-ph] (or arXiv:2511.10839v1 [quant-ph] for this version) https://doi.org/10.48550/arXiv.2511.10839 Focus to learn more arXiv-issued DOI via DataCite (pending registration) Submission history From: Ivan Shum [view email] [v1] Thu, 13 Nov 2025 22:49:30 UTC (227 KB) Full-text links: Access Paper: View a PDF of the paper titled Efficient quantum Gibbs sampling of stabilizer codes using hybrid computation, by Ivan H.C. Shum and 1 other authorsView PDFHTML (experimental)TeX Source view license Current browse context: quant-ph new | recent | 2025-11 References & Citations INSPIRE HEP NASA ADSGoogle Scholar Semantic Scholar export BibTeX citation Loading... BibTeX formatted citation × loading... Data provided by: Bookmark Bibliographic Tools Bibliographic and Citation Tools Bibliographic Explorer Toggle Bibliographic Explorer (What is the Explorer?) Connected Papers Toggle Connected Papers (What is Connected Papers?) Litmaps Toggle Litmaps (What is Litmaps?) scite.ai Toggle scite Smart Citations (What are Smart Citations?) Code, Data, Media Code, Data and Media Associated with this Article alphaXiv Toggle alphaXiv (What is alphaXiv?) Links to Code Toggle CatalyzeX Code Finder for Papers (What is CatalyzeX?) DagsHub Toggle DagsHub (What is DagsHub?) GotitPub Toggle Gotit.pub (What is GotitPub?) Huggingface Toggle Hugging Face (What is Huggingface?) Links to Code Toggle Papers with Code (What is Papers with Code?) ScienceCast Toggle ScienceCast (What is ScienceCast?) Demos Demos Replicate Toggle Replicate (What is Replicate?) Spaces Toggle Hugging Face Spaces (What is Spaces?) Spaces Toggle TXYZ.AI (What is TXYZ.AI?) Related Papers Recommenders and Search Tools Link to Influence Flower Influence Flower (What are Influence Flowers?) Core recommender toggle CORE Recommender (What is CORE?) Author Venue Institution Topic About arXivLabs arXivLabs: experimental projects with community collaborators arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs. Which authors of this paper are endorsers? | Disable MathJax (What is MathJax?)

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quantum-algorithms
quantum-annealing
quantum-error-correction

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Source: arXiv Quantum Physics

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