Calculation of valence band structures of InAs/GaAs quantum ring
and quantum dot: using numerical Fourier transform method
JIA Bo-yong, YU Zhong-yuan, LIU Yu-min, TIAN Hong-da
Acta Metallurgica Sinica(English letters) . 2010, (1): 106 -110 .  DOI: 10.1016/S1005-8885(09)60433-7