Complex coordinate rotation method based on gradient optimization
Zhi-Da Bai(白志达), Zhen-Xiang Zhong(钟振祥), Zong-Chao Yan(严宗朝), and Ting-Yun Shi(史庭云)
Chin. Phys. B . 2021, (2): 23101 -0 .  DOI: 10.1088/1674-1056/abc156