About RYU S
About Univ. Tokyo, Tokyo, JPN
About HATSUGAI Y
About Univ. Tokyo, Tokyo, JPN
About Physical Review Letters
About electron-hole pair
About graphite
About Properties of superconductors in general
About Fundamental theory of superconductivity
About 正孔
About 対称
About エネルギー
About エッジ状態
About トポロジー
About 起源