"Akihisa Koga","Superlattice structure in the antiferromagnetically ordered state in the Hubbard model on the Ammann-Beenker tiling",,"Physical Review B",,,,,2020,Sept.
"Tetsuya Minakawa,Yuta Murakami,Akihisa Koga,Joji Nasu","Majorana-Mediated Spin Transport in Kitaev Quantum Spin Liquids",,"Physical Review Letters",,,,,2020,July
"Ken Inayoshi,Yuta Murakami,Akihisa Koga","Excitonic Condensation Reflecting Electronic States in Two-Band Penrose?Hubbard Model",,"Journal of the Physical Society of Japan",,,,,2020,June
"Akihisa Koga,Tetsuya Minakawa,Yuta Murakami,Joji Nasu","Spin Transport in the Quantum Spin Liquid State in the S = 1 Kitaev Model: Role of the Fractionalized Quasiparticles",,"Journal of the Physical Society of Japan",,,,,2020,Mar.