Neutral excitation and bulk gap of fractional quantum Hall liquids in disk geometry
Yang Wu-Qing1, Li Qi2, 3, Yang Lin-Peng1, Hu Zi-Xiang1, †
       

The model for the dipolar fermions. α is the angle between the direction of the dipole moment and z axis. The system is placed in a confining potential γ m in the m ′ -th orbital.