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[½»Á÷] Pwscf ÄÜ·ñ¶Ônon-collinear magnetic ´ÅÐò ÓÃberry phase ¼ÆËãµç¼«»¯

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´ÓPW £¯bp_c_phase.f90Öп´
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   IF ((degauss > 0.01d0) .OR. (nbnd /= nelec/2)) &
        CALL errore('c_phase', &
                'Polarization only for insulators and no empty bands',1)
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!                   electronic polarization: weight strings                    !
!  -------------------------------------------------------------------------   !

!  --- Calculate string weights, normalizing to 1 (no spin) or 1+1 (spin) ---
   DO is=1,nspin
      weight=0.0_dp
      DO kort=1,nkort
         istring=kort+(is-1)*nkort
         wstring(istring)=wk(nppstr*istring)
         weight=weight+wstring(istring)
      END DO
      DO kort=1,nkort
         istring=kort+(is-1)*nkort
         wstring(istring)=wstring(istring)/weight
      END DO
   END DO
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