3:15 PM - 3:30 PM [8p-Z10-9] Effects of exciton stability on interaction between heavy-hole and light-hole excitons in a GaAs/AlAs multiple quantum well observed by reflectivity change 〇Osamu Kojima1, Takashi Kita1, Richard Hogg2 (1.Kobe Univ, 2.Univ. Glasgow)