[Pw_forum] Can PWscf calculate "Transition dipole moment"?

[程迎春]

Dear PWscf users,
    For a semiconductor, the transition dipole moment is useful for
determining if transitions are allowed between valence bands and conduction
bands.  I have searched forum, and got no information concerning about
transition dipole moment. Can PWscf calculate  "Transition dipole moment"?
-- 
Y. C. Cheng
Department of Physics
Nanjing University
Nanjing 210093
P. R. China
Tel: 86-25-83592907
Email: yccheng.nju at gmail.com
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