"Taro Tatsuno,Joji Nasu,Eriko Mizoguchi,Makoto Naka,Sumio Ishihara","Magnetic Field Effects in a Correlated Electron System with Spin-State Degree of Freedom -Implication of an Excitonic Insulator-",,"Journal of the Physical Society of Japan","The Physical Society of Japan","  85",,"  083706",2016,July