QGPU: Parallel logic in quantum LDPC codes

Boren Gu, Andy Zeyi Liu, Armanda O. Quintavalle, Qian Xu, Jens Eisert, Joschka Roffe · 2026 · arXiv 2026

| 编号 QE158 | 主题 qLDPC 码 | 链接 arXiv:2603.05398 |

摘要

摘要保留原文（英文）

摘要取自 arXiv / 出版方元数据，未作翻译，以保证与原文一致。

Quantum error correction is critical to the design and manufacture of scalable quantum computing systems. Recently, there has been growing interest in quantum low-density parity-check codes as a resource-efficient alternative to surface codes. Their adoption is hindered by the difficulty of compiling fault-tolerant logical operations. A key challenge is that logical qubits do not necessarily map to disjoint sets of physical qubits, which limits parallelism. We introduce clustered-cyclic codes, a quantum low-density parity-check code family with finite-size instances such as [[136,8,14]] and [[198,18,10]] that are competitive with state-of-the-art constructions. These codes admit a directly a

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