在混合量子处理器上对非平衡稳定状态的凸面优化.
Jonathan Wei Zhong Lau1, Kian Hwee Lim1, Kishor Bharti2,3
1Centre for Quantum Technologies, National University of Singapore, 3 Science Drive 2, Singapore 117543.
Physical review letters
|June 30, 2023
概括
本研究介绍了一种量子辅助算法,用于在开放量子系统中找到稳定状态. 新的混合方法克服了先前复杂量子力学方法的局限性.
科学领域:
- 量子信息科学 量子信息科学
- 量子计算是一种量子计算.
- 量子动力学 量子动力学是什么?
背景情况:
- 描述开放量子系统对于量子技术至关重要.
- 确定量子动力学的稳定状态带来了重大的计算挑战.
- 现有的变量量子方法在解决稳定状态时面临局限性.
研究的目的:
- 开发一个量子辅助算法,有效地确定开放量子系统的稳定状态.
- 在解决林布拉德动力学方面解决与变量量子方法相关的局限性.
- 为了使更高维度量子系统的稳定状态的估计.
主要方法:
- 作为一个可行性半确定的程序,在Lindblad动力学中寻找固定点的重构.
- 开发一个混合量子-经典算法.
- 关于更高维度开放量子系统的演示.
主要成果:
- 拟议的算法成功估计了开放量子系统的稳定状态.
- 该方法绕过了在变量量子方法中遇到的已知问题.
- 该算法证明了处理更高维度系统的能力.
- 该方法可以在表现出对称性的系统中识别多个稳定状态.
结论:
- 量子辅助半确定的编程方法提供了一个强大的方法,用于在开放的量子系统中找到稳定状态.
- 这种混合算法增强了量子方法在研究复杂量子动力学的可扩展性和适用性.
- 找到多个稳定状态的能力为探索量子系统对称性开辟了新的途径.
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