[Wannier] Stars in sum of centres

박민규 minkyupark at ulsan.ac.kr
Tue Jun 2 03:35:19 CEST 2020


Dear all,

Sometimes I get many stars like ********** instead of proper numbers at the end of one cycle. For example, this shows stars for x component of sum of WF centers.

    932    -0.443E-02     0.0413437937       56.1814104292     322.95  <-- CONV
        O_D=      0.1095380 O_OD=     18.2902512 O_TOT=     56.1814104 <-- SPRD
 Delta: O_D= -0.5844885E-03 O_OD= -0.3848247E-02 O_TOT= -0.4432735E-02 <-- DLTA
 ------------------------------------------------------------------------------
 Cycle:    933
  WF centre and spread    1  (  0.696223,  0.849493,  0.908662 )     2.60410702
  WF centre and spread    2  ( -1.017761, -0.698930,  0.787730 )     2.51438807
  WF centre and spread    3  (  0.725892,  1.022499, -0.771473 )     2.47371297
  WF centre and spread    4  (  0.713776, -0.811980, -0.952140 )     2.53087063
  WF centre and spread    5  ( -0.784420,  1.172430,  0.677601 )     2.44904711
  WF centre and spread    6  (  0.858234, -0.680300,  0.942667 )     2.54277596
  WF centre and spread    7  ( -0.848806, -0.739795, -0.859130 )     2.58879564
  WF centre and spread    8  ( -1.058215,  0.842171, -0.643097 )     2.45912272
  WF centre and spread    9  ( -3.085604,  3.093711,  2.932369 )     0.17892875
  WF centre and spread   10  ( -3.097536,  2.695010,  2.926902 )     0.22668902
  WF centre and spread   11  ( -2.783850,  2.913714,  2.742156 )     0.28810594
  WF centre and spread   12  ( -2.750748,  2.851986,  2.772285 )     0.48602375
  WF centre and spread   13  ( -2.600476,  2.954609,  2.918744 )     0.22376447
  WF centre and spread   14  ( -2.593848,  2.885906,  2.921410 )     0.27966121
  WF centre and spread   15  ( -2.970695,  2.608754,  2.894405 )     0.23380864
  WF centre and spread   16  ( -3.017619,  3.160143,  2.889790 )     0.36124701
  WF centre and spread   17  ( -2.898053,  2.906183,  3.023567 )     0.54176252
  WF centre and spread   18  ( -2.893191,  2.883562,  3.009086 )     0.83468542
  WF centre and spread   19  ( -3.044938,  2.899403,  2.854526 )     0.72174199
  WF centre and spread   20  ( -3.080687,  2.875656,  2.837223 )     0.81609476
  WF centre and spread   21  ( -2.891559,  2.859660,  2.898501 )     0.83337183
  WF centre and spread   22  ( -2.890312,  2.969734,  2.901658 )     1.09247576
  WF centre and spread   23  ( -3.023994,  3.005343,  2.898394 )     0.46004384
  WF centre and spread   24  ( -3.023670,  2.820576,  2.903258 )     0.73281808
  WF centre and spread   25  ( -2.751946,  2.783139,  2.893841 )     0.71901021
  WF centre and spread   26  ( -2.699221,  2.926482,  2.888871 )     0.84767403
  WF centre and spread   27  ( -1.626366,  1.276886,  1.559303 )     0.34597024
  WF centre and spread   28  ( -1.637527,  1.569357,  1.542350 )     0.25415220
  WF centre and spread   29  ( -1.399352,  1.400812,  1.210353 )     0.45188112
  WF centre and spread   30  ( -1.366600,  1.424347,  1.222467 )     0.44030629
  WF centre and spread   31  ( -1.179627,  1.507850,  1.493928 )     0.37026066
  WF centre and spread   32  ( -1.175600,  1.517807,  1.495363 )     0.33370326
  WF centre and spread   33  ( -1.522159,  1.683188,  1.449406 )     0.33034049
  WF centre and spread   34  ( -1.550321,  1.254940,  1.456019 )     0.41603101
  WF centre and spread   35  ( -1.419345,  1.430012,  1.670279 )     0.66476205
  WF centre and spread   36  ( -1.421689,  1.433753,  1.691205 )     0.55568089
  WF centre and spread   37  ( -1.846958,  1.027139,  0.994257 )     2.08050029
  WF centre and spread   38  ( -1.624184,  1.462821,  1.266277 )     0.54996922
  WF centre and spread   39  ( -1.463163,  1.631082,  1.401476 )     1.16794423
  WF centre and spread   40  ( -1.435623,  1.538211,  1.491870 )     0.89981753
  WF centre and spread   41  ( -1.554663,  1.430016,  1.444682 )     0.79305458
  WF centre and spread   42  ( -1.526374,  1.550986,  1.441998 )     0.69246286
  WF centre and spread   43  ( -0.987972,  0.889271,  1.795633 )     2.21807134
  WF centre and spread   44  ( -1.265615,  1.251178,  1.420941 )     0.48990303
  WF centre and spread   45  ( -4.571269,  4.309879,  4.258812 )     0.25586354
  WF centre and spread   46  ( -4.530621,  4.518924,  4.272259 )     0.23667173
  WF centre and spread   47  ( -4.285316,  4.300602,  4.570966 )     0.48584209
  WF centre and spread   48  ( -4.268687,  4.313747,  4.573110 )     0.44135450
  WF centre and spread   49  ( -4.080212,  4.410426,  4.287815 )     0.37972066
  WF centre and spread   50  ( -4.068516,  4.415136,  4.296730 )     0.33512247
  WF centre and spread   51  ( -4.410819,  4.375678,  4.311881 )     0.46163736
  WF centre and spread   52  ( -4.444455,  4.091014,  4.299313 )     0.36055454
  WF centre and spread   53  ( -4.331235,  4.313059,  4.094751 )     0.64243394
  WF centre and spread   54  ( -4.316858,  4.319332,  4.077717 )     0.54031499
  WF centre and spread   55  ( -4.543916,  4.310728,  4.483605 )     1.11319672
  WF centre and spread   56  ( -4.526642,  4.324080,  4.439918 )     0.84961663
  WF centre and spread   57  ( -4.024103,  4.695260,  4.714316 )     1.86621944
  WF centre and spread   58  ( -4.336076,  4.452091,  4.427696 )     0.80953208
  WF centre and spread   59  ( -4.353846,  4.355433,  4.327732 )     0.85608557
  WF centre and spread   60  ( -4.426497,  4.451016,  4.333416 )     0.64535193
  WF centre and spread   61  ( -3.811579,  3.873881,  3.936833 )     2.31177229
  WF centre and spread   62  ( -4.159305,  4.146204,  4.353473 )     0.49032893
  Sum of centres and spreads (**********,156.305309,156.305950 )    56.17715804

The final result looks fine.

         Spreads (Ang^2)       Omega I      =    37.781621188
        ================       Omega D      =     0.118353809
                               Omega OD     =    18.029629637
    Final Spread (Ang^2)       Omega Total  =    55.929604635

While I can obtain many reasonable result (e.g., band structure compatible with DFT calculation) with this seemingly weird stars, I want to make it sure whether it is harmless or it may cause any trouble.

I am using Wannier90 v3.1 and I compiled Quantum ESPRESSO v6.5 using pw2wannier90.f90 provided by Wannier90 v3.1.

Best regards,
============================================
Minkyu Park
Research Institute of Basic Sciences, University of Ulsan,
93, Daehak-ro, Nam-gu, Ulsan, 44610 Republic of Korea
minkyupark at ulsan.ac.kr<mailto:minkyupark at ulsan.ac.kr>
+82-52-259-1473
============================================

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