[Pw_forum] Total magnetization vs absolute magnetization

Jaret Qi jaretqi at yahoo.com
Mon Feb 8 04:37:21 CET 2016


Hi QE users,When I introduce the dipole correction for the case of saw-like potential. I have noticed the total magnetizations is no longer equal or close to the absolute one, is this wrong or what?
     total magnetization       =    -2.31 Bohr mag/cell     absolute magnetization    =    11.23 Bohr mag/cell
input :------------------------------------- &control    calculation  = 'relax'    restart_mode = 'from_scratch'    pseudo_dir   = './'    outdir       = './'    nstep = 100 ,
    tefield = .true.
    dipfield = .true.    prefix ='pwscf' / &system    ibrav=0    celldm(1)=7.540006694    nat=40    ntyp=7    ecutwfc = 30 ,    ecutrho=300    occupations='smearing'    degauss=0.02    nspin=2    starting_magnetization(2) = 1    lda_plus_u = .true.    Hubbard_U(2)= 2    Hubbard_J0(2)=0.7    edir = 3    eamp = 0.00    emaxpos = 0.7    eopreg = 0.1    smearing='cold'
 / &electrons   !conv_thr = 1e-8,    mixing_beta=0.1,    electron_maxstep=1000    !startingpot='file'    mixing_mode='local-TF'
............
JaretASU
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