# Crystalline silicon
# calculation of kss file for 256 shifted k-points in IBZ
# Definition of the unit cell: fcc
acell 3*10.217 # This is equivalent to 10.217 10.217 10.217
rprim 0.0 0.5 0.5 # FCC primitive vectors (to be scaled by acell)
0.5 0.0 0.5
0.5 0.5 0.0
# Definition of the atom types
ntypat 1 # There is only one type of atom
znucl 14
#zatnum 14 # The keyword "zatnum" refers to the atomic number of the
# possible type(s) of atom. The pseudopotential(s)
# mentioned in the "files" file must correspond
# to the type(s) of atom. Here, the only type is Silicon.
# Definition of the atoms
natom 2 # There are two atoms
typat 1 1 # They both are of type 1, that is, Silicon.
xred # Reduced coordinate of atoms
0.0 0.0 0.0
0.25 0.25 0.25
# Definition of the planewave basis set (at convergence 16 Rydberg 8 Hartree)
ecut 8.0 # Maximal kinetic energy cut-off, in Hartree
iomode 3
# Dataset1: usual self-consistent calculation
# Definition of the k-point grid
nkpt 10
ngkpt 4 4 4
nshiftk 4
shiftk 0.5 0.5 0.5 # These shifts will be the same for all grids
0.5 0.0 0.0
0.0 0.5 0.0
0.0 0.0 0.5
# Definition of the SCF procedure
nstep 10 # Maximal number of SCF cycles
diemac 12.0
toldfe 1.0d-6
prtden 0
# Definition of the k-points for the kss 256 shifted k-points
# Dataset2: calculation of kss file
# Definition of k-points
nband 9
nbandkss 100 # Number of bands to store in KSS file
#%%
#%% [setup]
#%% executable = abinit
#%% exclude_hosts = nag@abiref
#%% [files]
#%% files_to_test =
#%% t04.out, tolnlines = 0, tolabs = 0.000e+00, tolrel = 0.000e+00
#%% psp_files = 14si.pspnc
#%% [paral_info]
#%% max_nprocs = 1
#%% [extra_info]
#%% authors = D. Caliste
#%% keywords = GW
#%% description =
#%% KSS file generation for silicon with a different number of bands in the KSS
#%% computation compared to ground-state.
#%%