This variable selects the method to get the E field vector at the position of the system if Maxwell-matter coupling at dipole level within length gauge is done.
Transverse E field is averaged in the volume occupied by the matter system.
Tranverse E field is evaluated at the center of mass of the matter system (at a single point).
call parse_variable(namespace, 'MaxwellDipoleField', DIPOLE_AVERAGE, hm%mxll_dipole_field)
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