abinit/tests/v9/Input/t40.abi

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# Crystalline silicon calculation of Chi with inclvkb=2
# Dataset 1: ground state calculation for 6 k-points in IBZ
# Dataset 2: calculation of the screening for imaginary freqs (20 purely imaginary)
#
ndtset 2
gwpara 2
ecut 12.0
ecutwfn 12.0
ecutsigx 3.0
ecuteps 3.0
# Definition of parameters for the calculation of the KSS file
nband1 35 # Number of (occ and empty) bands to be computed
nbdbuf1 5
tolwfr1 1.0d-10
# Calculation of the screening (epsilon^-1 matrix) with spectral method
optdriver2 3 # Screening calculation
getwfk2 1
symchi2 1
awtr2 1
inclvkb2 2
nband2 25
# Data common to the three different datasets
# Definition of the unit cell: fcc
acell 3*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
znucl 14
# Definition of the atoms
natom 2
typat 1 1
xred
0.0 0.0 0.0
0.25 0.25 0.25
# Definition of the k-point grid
ngkpt 2 2 2
nshiftk 4
shiftk
0.0 0.0 0.0
0.0 0.5 0.5
0.5 0.0 0.5
0.5 0.5 0.0
istwfk *1 # This is mandatory in all the GW steps.
# Definition of the SCF procedure
nstep 500 # Maximal number of SCF cycles
diemac 12.0
pp_dirpath "$ABI_PSPDIR"
pseudos "Psdj_nc_sr_04_pw_std_psp8/Si.psp8"
#%%<BEGIN TEST_INFO>
#%% [setup]
#%% executable = abinit
#%% [files]
#%% files_to_test =
#%% t40.abo, tolnlines = 15, tolabs = 1.100e-03, tolrel = 3.000e-01
#%% [paral_info]
#%% max_nprocs = 8
#%% [extra_info]
#%% authors = F. Bruneval, M. Rodriguez-Mayorga
#%% keywords = NC, GW
#%% description =
#%% Silicon
#%% check numerical stability of Chi0 with inclvkb=2
#%%<END TEST_INFO>