[Pw_forum] missing q point
Gabriele Sclauzero
sclauzer at sissa.it
Mon Jun 15 15:17:46 CEST 2009
Gabriele Sclauzero wrote:
>
> Mehrnaz Anvari wrote:
>> I used new version of pakage (espresso-4.0.5) as you told me & the error
>> was disappeared. I performed Eyvaz suggestion too, I mean that I used
>> different grids (for nq1,nq2,nq3) for instance 2 2 2 , 4 4 4, 4 4
>> 2,...but the error existed in all of these cases.
>
> First of all, I don't understand why your k-point grid is not 2D (i.e. nkx, nky, 1) if you
> want to study graphite.
Sorry, I meant graphene, not graphite, obviuosly...
GS
>
>> Finally I couldn't
>> understand main reason of this error. when I open the dyn0 file I see
>> only kpoints with high symmetry, so it means that the program could
>> indicate the symmetry of system but in the following it could'nt keep
>> all of them it is so strange(?)
>
> Be carefull that until a recent change in the CVS version the ph.x was overwriting pw.x
> data in the .save directory, so that if you do successive ph.x calculations without making
> a copy of that directory it may not work.
>
> Now I will try some of your problematic k-points grids and let oyu know if they work with
> the CVS version.
>
> GS
>
>>
>>
>>
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>>
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>
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| Gabriele Sclauzero, PhD Student |
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