"Junichi Tsuda,Yuuki Yamanaka,Hidetoshi Nishimori","Energy gap at first-order quantum phase transitions: An anomalous case",,"Journal of the Physical Society of Japan",,"Volume 82","Number 11",,2013,Oct.
"Ryoji Miyazaki,Hidetoshi Nishimori","Real-space renormalization group approach to the random transverse-field Ising model in finite dimensions",,"Physical Review E",,"Vol. 87","  Iss. 3",,2013,Mar.