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Question about WFK file reading in phonon calculations


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  • From: "zhangtingPKU" <zhangting@pku.edu.cn>
  • To: "forum@abinit.org" <forum@abinit.org>
  • Subject: Question about WFK file reading in phonon calculations
  • Date: Fri, 14 Jul 2006 18:36:25 +0800



Dear ABINIT users:

I'm doing phonon calculation with ABINIT code. Firstly I did a scf
calculation to generate the ground state wavefunction, whose input file is
the scf.in attached. Next, I used this WFK file to perform phonon
calculation(the input file is the Q_3125E-2.in, which calculate the phonon at
Q-point (0 0 0.03125)), but mistake appears at the end of the log file(in the
log-Q_3125E-2 attached):
----------------------------------------------------------------------------------------------------------
hdr_check: WARNING -
Restart of self-consistent calculation need translated wavefunctions.
Indeed, critical differences between current calculation and
restart file have been detected in:
* the number, position, or weight of k-points
* the format of wavefunctions (istwfk)
================================================================================

inwffil: ERROR
The file Q_3125E-2o_DS1_WFK cannot be used to start the
present calculation. It was asked that the wavefunctions be accurate, but
at least one of the k points could not be generated from a symmetrical one.
dksqmax= 4.560066E-05
Action: check your wf file and k point input variables.

leave_new : decision taken to exit ...
----------------------------------------------------------------------------------------------------------

I've never met such a problem before.With the same method,graphite's
phonon can be calculated with no error. What's the meaning of this? Why the
WFK file can't be used by phonon calculation? I've checked the k-point in the
two input files, but haven't found problem. Thanks!


        致
礼!


        zhangtingPKU
        zhangting@pku.edu.cn
          2006-07-14

Attachment: scf.in
Description: Binary data

Attachment: Q_3125E-2.in
Description: Binary data

Attachment: log-Q_3125E-2
Description: Binary data




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