OEPMixingScheme

OEPMixingScheme

Section Hamiltonian::XC
Type integer
Default oep_mixing_scheme_const

Different Mixing Schemes are possible

Options:

• oep_mixing_scheme_const:
  Use a constant Reference: S. Kuemmel and J. Perdew, Phys. Rev. Lett. 90, 4, 043004 (2003)
  
• oep_mixing_scheme_bb:
  Use the Barzilai-Borwein (BB) Method Reference: T. W. Hollins, S. J. Clark, K. Refson, and N. I. Gidopoulos, Phys. Rev. B 85, 235126 (2012)
  
• oep_mixing_scheme_dens:
  Use the inverse of the electron density Reference: S. Kuemmel and J. Perdew, Phys. Rev. B 68, 035103 (2003)
  

 call parse_variable(namespace, 'OEPMixingScheme', OEP_MIXING_SCHEME_CONST, oep%mixing_scheme)