投射量子自溶解器通过附加式解子系统进化:在杂的量子计算机中对分子能量的资源高效方法.
Chayan Patra1, Sonaldeep Halder1, Rahul Maitra1,2
1Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India.
The Journal of chemical physics
|June 5, 2024
概括
这项研究引入了一种新的量子计算方法,用于在噪音严重的硬件上进行精确的分子能量计算. 它提供了一种资源高效的方法,用于用近期量子设备探索新的化学空间.
科学领域:
- 量子计算是一种量子计算.
- 计算化学计算化学
- 量子信息科学 量子信息科学
背景情况:
- 当前的量子硬件噪声限制了计算化学中的应用.
- 在化学中解决复杂的多体问题需要先进的计算方法.
- 噪音中等尺度量子 (NISQ) 设备对精确的化学模拟提出了挑战.
研究的目的:
- 开发一个投影形式主义,用于精确的基态能量计算分子系统.
- 能够有效地使用NISQ硬件来解决化学问题.
- 创建一个资源高效的化学量子算法.
主要方法:
- 制定一个双方解的参数化替代品.
- 使用解散的单元合集群框架.
- 结合非线性动力学和协同效应学的原则,以优化参数.
- 非代的能量校正利用协同参数关系.
主要成果:
- 通过较浅的电路实现了紧,固定深度的替代电路.
- 减少了所需的预期值评估的数量.
- 与现有方法相比,在噪音下表现优越.
- 确保了未来容错量子系统所需的准确性.
结论:
- 开发的投射形式主义准确地计算了杂的量子硬件上的分子基态能量.
- 该方法节约了资源,使得化学空间的快速探索成为可能.
- 这种方法提高了NISQ设备用于计算化学的实用性.
- 形式主义为NISQ和容错制度中准确的量子模拟提供了一条途径.
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