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Dear all:

I try to get total energy of GWA. I try to do:

1. calcuating total energy and band energy by self consistent LDA or GGA
2. calcuating quasiparticle energies of all the k points in Brillouin zone. It
needs do self consistent for energy and wavefunction?
3. total energy(GWA)=total energy(LDA)-band energy(LDA)+band energy(GWA)

It is right? 
Any comments or suggestions are wellcome.

Tieyu Lu