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Statistical mechanics of quantum error correcting codes

2020/07/31 by Yaodong Li, Matthew P. A. Fisher · 3 citations
Computer Science · Mathematics · Physics and Astronomy · #Algorithm #Computer science #Mathematics #Physics #Quantum #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #Quantum entanglement #Quantum many-body systems #Quantum mechanics #Statistical physics #cond-mat.dis-nn #cond-mat.stat-mech #quant-ph

paper · pdf · doi:10.1103/physrevb.103.104306

published as Phys. Rev. B 103, 104306 (2021) · 22 pages, 8 figures. v2: fixed .bbl file, new footnote 12. v3: updated references and acknowledgements. v4: fixed typos; published version

arxiv created 2021/03/24 · openalex publication_date 2021/03/24 · arxiv updated 2021/03/25 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06

Abstract

Random quantum dynamics generates quantum error correcting codes that are robust against observers and errors. Here, the authors describe a simple physical picture of such codes, mapping characteristic code properties to the statistical mechanics of fluctuating ``entanglement domain walls''. The error correcting criterion is understood as a decoupling condition of domain walls, which leads to a universal scaling law of the ``code distance''.

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