新理论量化量子电路中的信息丢失

作者 PulseAugur 编辑部 · [1 个来源] · 2026-08-11 04:00

研究人员开发了一个理论框架，用于理解在使用固定计算基测量时，参数化量子电路中信息是如何丢失的。他们分析了量子Fisher信息、比特串分布中的完整Fisher信息以及对角读出空间中可用的最大响应。他们的发现表明，即使拥有完整的Pauli字符串范围，信息仍会大量丢失，尤其是在电路深度增加且状态切线框架接近Haar随机性时。 AI

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arXiv cs.LG TIER_1 English(EN) · Marwan Ait Haddou · 2026-08-11 04:00

各向同性量子切线的读出秩律

arXiv:2608.07628v1 Announce Type: cross Abstract: Deep parameterized quantum circuits may remain sensitive to a parameter change while the observables retained by a learning model barely respond. We study this separation for a fixed computational-basis measurement. For a pure-sta…

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各向同性量子切线的读出秩律

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