abinit/tests/tutorespfn/TutoNLO/PART1-DFPT/alas_strain_ng6.in

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# Linear response calculation for AlAs
# Perturbation: strain
# (M. Veithen, 28.4.2005)
#Definition of lattice parameters
#********************************
acell 3*10.6395177524329601
rprim 0.0 0.5 0.5
0.5 0.0 0.5
0.5 0.5 0.0
#Definition atomic positions and types
#*************************************
natom 2
ntypat 2
znucl 13 33
typat 1 2
xred 0 0 0
0.25 0.25 0.25
ixc 3
#Parameters of the SCF cycles
#****************************
iscf 5
nstep 100
#Pland wave basis and k-point grid
#*********************************
ecut 5
ecutsm 0.5
dilatmx 1.05
ngkpt 6 6 6
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
ndtset 4 jdtset 1 2 3 4
#DATASET1 : scf calculation: GS WF in the BZ
#********************************************
prtden1 1
kptopt1 1
toldfe1 1.0d-12
#DATASET2 : non scf calculation: GS WF in the whole BZ
#*****************************************************
getden2 1
kptopt2 2
iscf2 -2
getwfk2 1
tolwfr2 1.0d-22
nband2 4
#DATASET3 : ddk on the MP grid of k-points
#*****************************************
getwfk3 2
rfdir3 1 1 1
rfelfd3 2
tolwfr3 1.0d-22
nband3 4
kptopt3 2
#DATASET4 : strain response
#**************************
getwfk4 2
getddk4 3
rfdir4 1 1 1
rfstrs4 3
toldfe4 1.0d-12
nband4 4
kptopt4 2
nbdbuf 0