Section Linear Response::Polarizabilities
Solve for full response without projector into unoccupied subspace. Not possible if there are partial occupations. When EMHyperpol is set for a periodic system, this variable is ignored and the full response is always calculated.
sternheimer/em_resp.F90 : 966
call parse_variable(sys%namespace, 'EMOccupiedResponse', .false., em_vars%occ_response)