Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "Kitamura, Hikaru",Band-gap enhancement in core-excited metals,EPL (Europhysics Letters),0295-5075,IOP Publishing,2011-04,94,2,27005,https://cir.nii.ac.jp/crid/1050001335718156288,https://doi.org/10.1209/0295-5075/94/27005