@article{oai:tsukuba.repo.nii.ac.jp:00053730, author = {小泉, 裕康 and KOIZUMI, Hiroyasu}, issue = {3}, journal = {Journal of the Physical Society of Japan}, month = {Mar}, title = {Loop Current Excitations in Effectively Half-Filled Mott Insulators}, volume = {77}, year = {2008}, yomi = {コイズミ, ヒロヤス} }