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arXiv 2601.04467quant-phhep-th
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通过ZX演算重新审视全息码

Holographic codes seen through ZX-calculus

Imperial College London(帝国理工学院);University of Oxford(牛津大学);Columbia University(哥伦比亚大学);Shanghai Institute for Mathematics and Interdisciplinary Sciences (SIMIS)(上海数学与交叉学科研究院)

Kwok Ho Wan, H. C. W. Price, Qing Yao, Zhenghao Zhong, Ainhoa Zapirain

AI总结:

本文通过ZX演算重新审视全息码,研究其稳定子结构和逻辑算子,并提出基于双曲镶嵌的新型码家族,分析其逻辑错误率。

摘要:

我们从ZX演算的角度重新审视五边形全息量子纠错码。通过将底层张量表示为ZX图,我们通过Pauli网络研究该码的稳定子结构。此外,我们通过图示方法理解其逻辑算子、编码等距映射、Rényi熵以及黑洞/虫洞的玩具模型。然后,受五边形全息码的ZX图启发,我们引入了一种由其对偶双曲镶嵌上的ZX图构造的码家族,并利用信念传播解码器研究其逻辑错误率。

英文摘要:

We re-visit the pentagon holographic quantum error correcting code from a ZX-calculus perspective. By expressing the underlying tensors as ZX-diagrams, we study the stabiliser structure of the code via Pauli webs. In addition, we obtain a diagrammatic understanding of its logical operators, encoding isometries, Rényi entropy and toy models of black holes/wormholes. Then, motivated by the pentagon holographic code's ZX-diagram, we introduce a family of codes constructed from ZX-diagrams on its dual hyperbolic tessellations and study their logical error rates using belief propagation decoders. Finally, we show how to construct spacetime ZX-diagrams that realise a fault-tolerant quantum channel in which every internal edge is a protected fault location.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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