INPUT_PARAMETERS
#Parameters (1.General)
suffix                  autotest
pseudo_dir              ../../../tests/PP_ORB
orbital_dir                 ../../../tests/PP_ORB
calculation             scf
nbands                6
symmetry               	-1
nspin                   2

#Parameters (2.Iteration)
ecutwfc                 20
scf_thr                     1e-6
scf_nmax                   20

#Parameters (3.Basis)
basis_type              lcao 
gamma_only              0

#Parameters (4.Smearing)
smearing_method                gaussian
smearing_sigma                   0.02

#Parameters (5.Mixing)
mixing_type             pulay
mixing_beta             0.4

lr_nstates 2 # for test/debug, you can try a smaller one like 2
xc_kernel lda
lr_solver dav_subspace
lr_thr 1e-2
pw_diag_ndim 4

esolver_type ks-lr

nvirt 2
abs_wavelen_range  200 600

