11:30 〜 11:45 ▼ [8a-A413-11] Observation of Zero-Magnetic-Field Spin Splitting in a Band-Inverted InAs/InGaSb Quantum Well 〇Yukio Takahashi1、Hiroshi Irie1、Takafumi Akiho1、Koji Onomitsu1、Koji Muraki1 (1.NTT BRL)