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Yoked surface codes

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arxiv 2312.04522 v1 pith:JIY7F3BB submitted 2023-12-07 quant-ph

classification quant-ph
keywords codessurfacealonggridparityphysicalqubityoked
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We nearly triple the number of logical qubits per physical qubit of surface codes in the teraquop regime by concatenating them into high-density parity check codes. These "yoked surface codes" are arrayed in a rectangular grid, with parity checks (yokes) measured along each row, and optionally along each column, using lattice surgery. Our construction assumes no additional connectivity beyond a nearest neighbor square qubit grid operating at a physical error rate of $10^{-3}$.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Unfolded distillation: very low-cost magic state preparation for biased-noise qubits

    quant-ph 2025-07 conditional novelty 7.0 of 10

    Unfolded distillation prepares an |X^{1/4}> magic state with logical error 3e-7 using 53 biased-noise qubits and 5.5 rounds, by unfolding the 3D Reed-Muller X-stabilizers into a 2D layout.

  2. Claim against Measurement: Statistical Artefacts in Quantum Error Mitigation Benchmarks

    quant-ph 2026-05 conditional novelty 6.0 of 10

    Systematic review of 81 QEM papers finds only 25% use inferential methods and demonstrates via ZNE case studies that parameter sensitivity and temporal drift can create illusory performance gains.

  3. Dynamics and rupture of doped Motility Induced Phase Peparation

    cond-mat.soft 2025-08 unverdicted novelty 5.0 of 10

    Adding passive particles to a phase-separated active suspension can produce a stable, self-sustained drift of the dense slab.

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