Shuntaro Sumita is a postdoctoral researcher at Condensed Matter Theory Laboratory, RIKEN Cluster for Pioneering Reserach. He received his Bachelor of Science and Master of Science from Kyoto University in 2015 and 2017, respectively. He received his PhD in science from Kyoto University in March 2020. He was awarded a Research Fellowship for Young Scientists (DC1) by the Japan Society for the Promotion of Science (JSPS) and his research was supported by the JSPS from 2017 to 2020.