Jong Mok Ok, Beom Jun Park, Junik Hwang, Seonghoon Park, Myeongjun Kang, Jun Sung Kim, Ki-Seok Kim, Seung-Ho Baek. "Observation of gapless collective charge fluctuations in an Anderson insulating state." Scientific Reports (2025). https://doi.org/10.1038/s41598-025-32615-5