!Input file for the anaddb code. Analysis of the DDB for BaSr(TiO3)2 FCC unit cell !Flags dieflag 2 ! 2=> electronic dielectric tensor only ifcflag 1 ! Interatomic force constant flag !Effective charges chneut 2 ! Charge neutrality requirement for effective charges. ! 2=> imposed with weights proportional to screening) !Interatomic force constant info dipdip 1 ! Dipole-dipole interaction treatment ifcana 0 ! Analysis of the IFCs ifcout 20 ! Number of IFC's written in the output, per atom natifc 3 ! Number of atoms in the cell for which ifc's are analysed atifc 1 2 3 ! List of atoms !Wavevector grid number 1 (coarse grid, from DDB) brav 2 ! Bravais Lattice : 1-S.C., 2-F.C., 3-B.C., 4-Hex.) ngqpt 1 1 1 ! Monkhorst-Pack indices nqshft 2 ! number of q-points in repeated basic q-cell q1shft 3*0.0 3*0.5 !Wavevector list number 1 (Reduced coordinates and normalization factor) nph1l 5 ! number of phonons in list 1 qph1l 0.0 0.0 0.0 1.0 0.0 0.5 0.5 1.0 0.5 0.0 0.5 1.0 0.5 0.5 0.0 1.0 0.5 0.5 0.5 1.0 # Not the default value, to keep temporal continuity with older versions symdynmat 0 #%% #%% [setup] #%% executable = anaddb #%% [files] #%% files_to_test = #%% t39.out, tolnlines = 0, tolabs = 0.000e+00, tolrel = 0.000e+00 #%% extra_inputs = t39.ddb.in.gz #%% [paral_info] #%% max_nprocs = 4 #%% [extra_info] #%% keywords = #%% authors = Unknown #%% description = #%% BaSr(TiO3)2 FCC unit cell. Show how to use only the q Gamma point #%% to obtain symmetric IFCs using Anaddb. #%% topics = Phonons, PhononBands #%%