一致性对于量子计算优势的作用
Hugo Thomas1,2,3, Pierre-Emmanuel Emeriau1, Rawad Mezher1
1Quandela, 7 rue Léonard de Vinci, 91300 Massy, France.
Physical review letters
|October 25, 2025
概括
我们引入了路径连贯性,这是量子计算优势的新衡量标准. 这个指标量化了连贯干扰,使经典计算机能够更有效地模拟量子计算.
科学领域:
- 量子计算是一种量子计算.
- 计算复杂性 计算复杂性
- 量子信息理论 量子信息理论
背景情况:
- 量化量子资源对于区分量子与经典计算至关重要.
- 纠,不稳定性和连贯性是关键的量子资源.
- 连贯性在实现量子计算优势方面发挥着重要作用.
研究的目的:
- 介绍"路径连贯性"作为量子计算中连贯路径干扰的新型测量方法.
- 建立路径连贯性和量子系统经典模拟的难度之间的联系.
- 提供了对量子优势中的连贯性作用的新视角.
主要方法:
- 使用sum-over-paths形式主义来开发一个经典的算法.
- 使用开发的经典算法估计量子过渡幅度.
- 分析估计算法的复杂性缩放,以路径一致性为准.
主要成果:
- 开发了一种用于估计量子过渡振幅的经典算法.
- 证明了算法的复杂性直接与路径连贯性相变.
- 展示了路径连贯性作为量子计算优势的相关指标.
结论:
- 路径连贯性为连贯性在量子优势中的作用提供了新的视角.
- 开发的经典算法具有模拟量子计算的实际应用.
- 这项工作将基本的量子信息理论与实际的计算挑战联系起来.
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