Probing emergent excitations with middle-energy electron energy loss spectroscopyYujuan Pei, Xiaoran Liu, Fangdi Wen, M. Kareev, Ruyi Zhang, Yang Song, Jiachang Bi, Yanwei Cao and Jak ChakhalianEPL, 128 5 (2019) 57001DOI: https://doi.org/10.1209/0295-5075/128/57001