Gao, Jingxiang, Ming Zhang, Xiefei Cheng, Xingcheng Tang, and Runjia Guo. “Observation of Multiple Topological Edge States in Square-Root Electric Circuits”. Academic Journal of Science and Technology 10, no. 1 (March 27, 2024): 330–334. Accessed June 7, 2026. https://drpress.org/ojs/index.php/ajst/article/view/19315.