QuAcK/src/MBPT/print_evUGW.f90

subroutine print_evUGW(nBas,nO,nSCF,Conv,eHF,ENuc,ERHF,SigC,Z,eGW,EcRPA)

! Print one-electron energies and other stuff for evGW

  implicit none
  include 'parameters.h'

  integer,intent(in)                 :: nBas
  integer,intent(in)                 :: nO(nspin)
  integer,intent(in)                 :: nSCF
  double precision,intent(in)        :: ENuc
  double precision,intent(in)        :: ERHF
  double precision,intent(in)        :: EcRPA
  double precision,intent(in)        :: Conv
  double precision,intent(in)        :: eHF(nBas,nspin)
  double precision,intent(in)        :: SigC(nBas,nspin)
  double precision,intent(in)        :: Z(nBas,nspin)
  double precision,intent(in)        :: eGW(nBas,nspin)

  integer                            :: p
  integer                            :: ispin
  double precision                   :: HOMO(nspin)
  double precision                   :: LUMO(nspin)
  double precision                   :: Gap(nspin)

! HOMO and LUMO

  do ispin=1,nspin
    if(nO(ispin) > 0) then
      HOMO(ispin) = eGW(nO(ispin),ispin)
      LUMO(ispin) = eGW(nO(ispin)+1,ispin)
      Gap(ispin)  = LUMO(ispin) - HOMO(ispin)
    else
      HOMO(ispin) = 0d0
      LUMO(ispin) = eGW(1,ispin)
      Gap(ispin)  = 0d0
    end if
  end do

! Dump results

  write(*,*)'-------------------------------------------------------------------------------& 
              -------------------------------------------------'
  if(nSCF < 10) then
    write(*,'(1X,A21,I1,A1,I1,A12)')'  Self-consistent evG',nSCF,'W',nSCF,' calculation'
  else
    write(*,'(1X,A21,I2,A1,I2,A12)')'  Self-consistent evG',nSCF,'W',nSCF,' calculation'
  endif
  write(*,*)'-------------------------------------------------------------------------------& 
              -------------------------------------------------'
  write(*,'(A1,A3,A1,A30,A1,A30,A1,A30,A1,A30,A1)') &
            '|',' ','|','e_HF            ','|','Sig_c            ','|','Z            ','|','e_QP            ','|'
  write(*,'(A1,A3,A1,2A15,A1,2A15,A1,2A15,A1,2A15,A1)') &
            '|','#','|','up     ','dw     ','|','up     ','dw     ','|','up     ','dw     ','|','up     ','dw     ','|'
  write(*,*)'-------------------------------------------------------------------------------& 
              -------------------------------------------------'

  do p=1,nBas
    write(*,'(A1,I3,A1,2F15.6,A1,2F15.6,A1,2F15.6,A1,2F15.6,A1)') &
    '|',p,'|',eHF(p,1)*HaToeV,eHF(p,2)*HaToeV,'|',SigC(p,1)*HaToeV,SigC(p,2)*HaToeV,'|', &
              Z(p,1),Z(p,2),'|',eGW(p,1)*HaToeV,eGW(p,2)*HaToeV,'|'
  enddo

  write(*,*)'-------------------------------------------------------------------------------& 
              -------------------------------------------------'
  write(*,'(2X,A10,I3)')   'Iteration ',nSCF
  write(*,'(2X,A14,F15.5)')'Convergence = ',Conv
  write(*,*)'-------------------------------------------------------------------------------& 
              -------------------------------------------------'
  write(*,'(2X,A30,F15.6)') 'evGW HOMO      energy (eV):',maxval(HOMO(:))*HaToeV
  write(*,'(2X,A30,F15.6)') 'evGW LUMO      energy (eV):',minval(LUMO(:))*HaToeV
  write(*,'(2X,A30,F15.6)') 'evGW HOMO-LUMO gap    (eV):',(minval(LUMO(:))-maxval(HOMO(:)))*HaToeV
  write(*,*)'-------------------------------------------------------------------------------& 
              -------------------------------------------------'
  write(*,'(2X,A30,F15.6)') 'RPA@evGW total energy       =',ENuc + ERHF + EcRPA
  write(*,'(2X,A30,F15.6)') 'RPA@evGW correlation energy =',EcRPA
  write(*,*)'-------------------------------------------------------------------------------& 
              -------------------------------------------------'
  write(*,*)

end subroutine print_evUGW