Variational quantum algorithms, M. Cerezo, Andrew Arrasmith, Ryan Babbush, Simon C. Benjamin, Suguru Endo, Keisuke Fujii, Jarrod R. McClean, H. Tang, J. van Rooij, and Liang Jiang, 2021Nature Reviews Physics, Vol. 3DOI: 10.1038/s42254-021-00348-9 - 全面回顾了变分量子算法,讨论了其组成部分、应用和挑战,包括经典优化。