模块集群电路用于变量量子自溶解器.
Seyed Ehsan Ghasempouri1, Gerhard W Dueck2, Stijn De Baerdemacker1,3
1Department of Chemistry, University of New Brunswick, 30 Dineen Dr,Fredericton, New Brunswick E3B 5A3, Canada.
The journal of physical chemistry. A
|September 20, 2023
概括
我们为变量量子eigensolver算法开发了一种浅深的2量子比特集群电路. 这种新设计将量子计算机的噪声降到最低,同时保持分子性质计算的化学精度.
科学领域:
- 量子计算是一种量子计算.
- 计算化学的计算化学
- 量子算法 量子算法 量子算法
背景情况:
- 变量量子自溶解器 (VQE) 是一种流行的算法,用于计算噪音中等尺度量子 (NISQ) 设备上的分子性质.
- 尽量减少量子电路深度对于减轻NISQ设备中的噪声积累至关重要.
研究的目的:
- 为VQE引入一种新的模块化2量子比特集群电路.
- 在不牺牲化学精度的情况下实现浅深量子电路.
- 为电路设计提供一个价值键化学解释.
主要方法:
- 设计了一个模块化的2量子比特集群电路架构.
- 在各种分子系统 (H2, (H2) 2,LiH) 和横场Ising模型上实现并测试了电路.
- 与现有方法相比,分析了电路深度和化学精度.
主要成果:
- 拟议的集群电路可以实现比以前的架构更浅的量子电路.
- 该设计在量子化学属性计算中保持了高化学精度.
- 为集群电路建立了一个明确的价值键解释.
结论:
- 模块化2量子比特集群电路为NISQ设备上的VQE提供了一种高效的方法.
- 这种方法减少了噪声的影响,并提高了量子化学模拟的可行性.
- 电路的简单性和可解释性促进了量子算法的进一步发展.
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