abinit/tests/v7/Input/t46.abi

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# Si in diamond structure; 2 special points; low ecut.
# With a 4x4x4 k point grid (!only one shift, but OK
# because symmetry is imposed), compute the
# dielectric constant with a scissor
ndtset 4
#First dataset : SC run with 2 kpoints
kptopt1 1
prtden1 1
#Second dataset : d/dk response calculation
iscf2 -3
rfelfd2 2 getwfk2 1 getden2 1
rfdir2 1 0 0
kptopt2 2
#Third dataset : homogeneous electric field response without a scissor
rfelfd3 3 getwfk3 1 getddk3 2
rfdir3 1 1 1
kptopt3 2
#Fourth dataset : homogeneous electric field response with a scissor
rfelfd4 3 getwfk4 1 getddk4 2
rfdir4 1 1 1
kptopt4 2
dfpt_sciss4 0.5 eV
#Common data
acell 3*10.18
diemac 12.0d0
ecut 3.0
natom 2
nband 4
nstep 15
ntypat 1
rprim 0 .5 .5 .5 0 .5 .5 .5 0
tolwfr 3.0d-22
typat 1 1
xred 3*0.00d0 3*1/4
znucl 14
#k point sampling
ngkpt 4 4 4
nshiftk 4
shiftk 0.5 0.5 0.5
0.5 0.0 0.0
0.0 0.5 0.0
0.0 0.0 0.5
pp_dirpath "$ABI_PSPDIR"
pseudos "PseudosTM_pwteter/14si.pspnc"
#%%<BEGIN TEST_INFO>
#%% [setup]
#%% executable = abinit
#%% [files]
#%% files_to_test =
#%% t46.abo, tolnlines= 0, tolabs= 0.000, tolrel= 0.000
#%% [paral_info]
#%% max_nprocs = 1
#%% [extra_info]
#%% authors = Unknown
#%% keywords = NC, DFPT
#%% description =
#%% Si in diamond structure; 2 special points; low ecut.
#%% With a 4x4x4 k point grid (!only one shift, but OK
#%% because symmetry is imposed), compute the
#%% dielectric constant with a scissor .
#%% Note that the fulfilment of the charge neutrality sum rule, already broken without a scissor operator, is
#%% strongly affected by a scissor
#%%<END TEST_INFO>