# Zinc-blende GaAs (2 atoms per unit cell), # using HGH psps. # Test the computation of the Berry phase. # Grid sampling is very rough, for speed. # 8 dataset, testing all combinations of # location of wfs (memory or disk), spin polarisation, # use (or non-use) of time-reversal symmetry. # Test case provided by M. Veithen #Definition of the unit cell #*************************** acell 3*10.67695686 rprim 0 0.5 0.5 0.5 0 0.5 0.5 0.5 0 ndtset 8 #Definition of the atoms #********************** ntypat 2 znucl 31 33 ixc 1 natom 2 typat 1 2 xcart 0 0 0 3*2.6692392150 # 3*2.6792392150 #Definition of the plane wave basis set #************************************** ecut 1 nshiftk 1 shiftk 3*0.0 nbdbuf 0 #Definition of the SCF cycle #*************************** nstep 200 diemac 12.0 #Dataset1: wavefunctions + density in the irreductible BZ #******************************************************** prtden1 1 ngkpt1 2 2 2 kptopt1 1 toldfe1 1.0d-12 #Dataset2: grid 4 2 2 in the whole BZ + polarisation (all wf in core memory) #*************************************************** berryopt2 1 nberry2 1 bdberry2 1 4 kberry2 1 0 0 iscf2 -2 nband2 4 kptopt2 3 ngkpt2 4 2 2 getden2 1 tolwfr2 1.0d-12 istwfk2 16*1 ! Insist on full storage mode #Dataset3: grid 4 2 2 in the whole BZ + polarisation (all wf on disk) #*************************************************** berryopt3 1 nberry3 1 bdberry3 1 4 kberry3 1 0 0 iscf3 -2 nband3 4 kptopt3 3 ngkpt3 4 2 2 getden3 1 tolwfr3 1.0d-12 istwfk3 16*1 ! Insist on full storage mode #Dataset4: grid 4 2 2 in half the BZ using time-reversal symetry + polarisation (all wf in core memory) #******************************************************************************* berryopt4 1 nberry4 1 bdberry4 1 4 kberry4 1 0 0 iscf4 -2 nband4 4 kptopt4 2 ngkpt4 4 2 2 getden4 1 tolwfr4 1.0d-12 istwfk4 12*1 ! Insist on full storage mode #Dataset5: grid 4 2 2 in half the BZ using time-reversal symetry + polarisation (all wf on disk) #******************************************************************************* berryopt5 1 nberry5 1 bdberry5 1 4 kberry5 1 0 0 iscf5 -2 nband5 4 kptopt5 2 ngkpt5 4 2 2 getden5 1 tolwfr5 1.0d-12 istwfk5 12*1 ! Insist on full storage mode #Dataset6: polarised calculation #******************************* nsppol6 2 spinmagntarget6 0.0d0 nspden6 2 prtden6 1 ngkpt6 2 2 2 kptopt6 1 toldfe6 1.0d-12 #Dataset7: grid 4 2 2 in the whole BZ + polarisation (all wf in core memory) #*************************************************** nsppol7 2 spinmagntarget7 0.0d0 nspden7 2 berryopt7 1 nberry7 1 bdberry7 1 4 1 4 kberry7 1 0 0 iscf7 -2 nband7 4 kptopt7 3 ngkpt7 4 2 2 getden7 6 tolwfr7 1.0d-12 istwfk7 16*1 ! Insist on full storage mode #Dataset8: grid 4 2 2 in the whole BZ + polarisation (all wf on disk) #*************************************************** nsppol8 2 spinmagntarget8 0.0d0 nspden8 2 berryopt8 1 nberry8 1 bdberry8 1 4 1 4 kberry8 1 0 0 iscf8 -2 nband8 4 kptopt8 3 ngkpt8 4 2 2 getden8 6 tolwfr8 1.0d-12 istwfk8 16*1 ! Insist on full storage mode pp_dirpath "$ABI_PSPDIR" pseudos "PseudosHGH_pwteter/31ga.3.hgh, PseudosHGH_pwteter/33as.5.hgh" #%% #%% [setup] #%% executable = abinit #%% [files] #%% files_to_test = tsv3_03.out, tolnlines=0, tolabs=0.0, tolrel=0.0, fld_options=-medium #%% [paral_info] #%% max_nprocs = 1 #%% [extra_info] #%% keywords = NC #%% authors = M. Veithen #%% description = #%% Zinc-blende GaAs (2 atoms per unit cell), #%% using HGH psps. #%% Test the computation of the Berry phase. #%% Grid sampling is very rough, for speed. #%% 8 dataset, testing all combinations of #%% location of wfs (memory or disk), spin polarisation, #%% use (or non-use) of time-reversal symmetry. #%%