abinit/tests/v4/Input/t62.abi

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#Distorted rocksalt LaAs to test proper handling of nonlocal f psp
ndtset 2
#Dataset 1 : self-consistent ground state calculation
#Dataset 2 : response function strain perturbation calculation
rfstrs2 3
rfdir2 1 0 0
nqpt2 1
qpt2 0 0 0
kptopt2 2
getwfk2 1
# common input data
acell 3*11.81
diemac 10.0
ecut 8.0
ecutsm 0.0
ixc 2
kptopt 1
mqgrid 1501
natom 2
nband 4
ngkpt 2 2 2
nloc_alg 2
nshiftk 1
nstep 50
nsym 1
ntypat 2
prtvol 10
rprim -0.007 0.548 0.473
0.468 0.038 0.512
0.481 0.514 -0.032
shiftk 0.5 0.5 0.5
tolvrs 1.0d-12
typat 1 2
xred 0.000 0.000 0.000
0.543 0.493 0.508
znucl 57 33
pp_dirpath "$ABI_PSPDIR"
pseudos "57la.drh, 33as.drh"
#%%<BEGIN TEST_INFO>
#%% [setup]
#%% executable = abinit
#%% [files]
#%% files_to_test =
#%% t62.abo, tolnlines = 0, tolabs = 0.000e+00, tolrel = 0.000e+00, fld_options = -easy
#%% [paral_info]
#%% max_nprocs = 4
#%% [extra_info]
#%% authors = D. R. Hamann
#%% keywords = NC, DFPT
#%% description =
#%% Test of the strain perturbation.
#%% LaAs in a randomly distorted version of its normal rocksalt structure
#%% using a non-standard norm conserving potential produced by DRH
#%% for this test. Distorted structures were used for most development
#%% work so that no components of the strain 2nd derivatives would be
#%% zero by symmetry. A La compound was chosen because its f nonlocal
#%% potential makes a significant contribution to the result (10%
#%% for a well-converged result although only 1% for the low value
#%% of ecut used here), so it tests that the very complex routines
#%% for the strain derivatives of the nonlocal energy are behaving
#%% properly. (Choices in constructing this La potential were
#%% restricted by current limitations of the treatment of fhi-
#%% format potentials, and it should not be used for physics results.)
#%%<END TEST_INFO>