Dear Giuseppe,
Thank you very much for your inputs in this regard.
Best,
Shivesh
On Tue, Feb 2, 2021 at 1:42 AM Giuseppe Mattioli <
giuseppe.matti...@ism.cnr.it> wrote:
>
> Dear Shivesh Sivakumar
> I have used a 1x1x1 q grid together with HSE or B3LYP in the case of
> innumer
Hello users,
I was just wondering if anyone had any inputs on this: Using a 1x1x1 q grid
for HSE calculations in the case of 'large non-metallic systems'.
I would greatly appreciate any points or resources regarding this.
Sincerely,
Shivesh Sivakumar
Graduate Teaching Assistant
Materials Science
on these points.
Sincerely,
Shivesh Sivakumar
Graduate Teaching Assistant
Materials Science and Engineering
University of Washington-Seattle
WA-98105
(206) 474-8174
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the help.
Sincerely,
Shivesh Sivakumar
University of Washington-Seattle
WA-98105
On Sat, Jan 23, 2021 at 1:09 AM Lorenzo Paulatto wrote:
> Did you recompile le code after changing it?
>
> --
> Lorenzo Paulatto - Paris
> On Jan 23 2021, at 7:27 am, Shivesh Sivakumar
> wrote
in the electrons.o
object file which presumably gets executed? I'm not really sure how to
reflect the changes in the fortran code to the executable, so that pw.x
calls the updated file.
Again, thank you very much for your help.
Sincerely,
Shivesh Sivakumar
University of Washington-Seattle
WA-98105
On Fri, Jan 22
the
variation of potential along different surfaces but this is not exactly
what I am aiming for. I am looking to deconstruct the total energy from my
DFT calculation into its different components, including exchange and
correlation.
Thanks again for your help.
Sincerely,
Shivesh Sivakumar
University
GNU Fortran module file'. Would
appreciate any inputs on this.
Sincerely,
Shivesh Sivakumar
University of Washington-Seattle
WA-98105
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ht
e: [QE-users] Format of FFT grid for Potential
On Sat, Oct 10, 2020 at 5:52 AM Shivesh Sivakumar
mailto:shiveshsivaku...@gmail.com>> wrote:
For instance, my FFT grid has dimensions 40x54x180. If I understand correctly,
this means:
1) The lattice constant along 'a' is divided into 40 poin
Hello,
I had previously taken a look at the pp.x documentation webpage, but
couldn't find information about the format in which the FFT is printed.
That is why I was wondering if my interpretation of it is correct.
Best,
Shivesh Sivakumar
University of Washington Seattle
WA-98105
On Sat, Oct 10
be (0,1,0), (0.025,1,0) ..
(1,1,0).
Am I right in this regard? Any help would be much appreciated.
Thanks,
Shivesh Sivakumar
University of Washington-Seattle
WA-98105
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(with q-shifted grid).
To summarize, is there any other way to calculate the dipole matrix
element for my material with HSE? I would greatly appreciate any inputs and
suggestions.
Best,
Shivesh Sivakumar
University of Washington-Seattle
WA-98105
Shivesh Sivakumar <
shiveshsivaku...@gmail.com> wrote:
> Thank you, Paolo!
>
> Best,
> Shivesh
>
> On Mon, Jul 13, 2020 at 11:57 AM Paolo Giannozzi
> wrote:
>
>> Which routine? pw2gw.x ? input documentation is here:
>> PP/Doc/INPUT_pw2bgw.def
>>
>&g
Thank you, Paolo!
Best,
Shivesh
On Mon, Jul 13, 2020 at 11:57 AM Paolo Giannozzi
wrote:
> Which routine? pw2gw.x ? input documentation is here:
> PP/Doc/INPUT_pw2bgw.def
>
> Paolo
>
> On Mon, Jul 13, 2020 at 8:16 PM Shivesh Sivakumar <
> shiveshsivaku...@gmail.com
ode that produces data for BerkeleyGW is pw2bgw.x, not pw2gw.x
>
> On Sun, Jul 12, 2020 at 11:29 PM Shivesh Sivakumar <
> shiveshsivaku...@gmail.com> wrote:
>
>> Hello users,
>>
>> I posted this earlier regarding pw2gw.x and wasn't able to find a
>> solution.
Sivakumar
University of Washington-Seattle
On Fri, Jul 10, 2020 at 6:37 PM Shivesh Sivakumar <
shiveshsivaku...@gmail.com> wrote:
> Hello all,
>
> I am trying to calculate the momentum matrix elements for my material with
> HSE and HSE+U etc, which is not supported in QE. I already calcu
first step i.e. the output 'plots' from my pp.x
calculation? or should I copy paste the whole SCF directory that includes
the .xml file and charge density data?
Best,
Shivesh Sivakumar
University of Washington-Seattle
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e valence band
> maximum is a much better estimate of IP than HOMO.
> Best,
> Michal
>
> On Wed, 8 Jul 2020 at 03:45, Shivesh Sivakumar
> wrote:
>
>> Hello users,
>>
>> I was wondering whether the ionization energy calculated from a HSE
>> calculation has an
or insights would be very appreciated.
Best,
Shivesh Sivakumar
University of Washington-Seattle
WA-98105
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https
of
the file after an scf calculation (with weights zero)?
I am given to understand that the optimal way to approach is is to generate
MLWFs but I was wondering if the above procedures serve as an alternative.
Best,
Shivesh Sivakumar
University of Washington-Seattle
Seattle, WA - 98105
lurii,
Thanks very much for the response. I found the missing term thats
responsible for the error on QE while calculating matrix elements for
PBE+U. But how do I this back in to the calculation?
Best,
Shivesh Sivakumar
On Thu, May 14, 2020 at 9:54 AM Timrov Iurii wrote:
> Dear Lun
?
Best,
Shivesh Sivakumar
University of Washington
Seattle-WA, 98105
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Hello users,
Is there a way to calculate the momentum matrix element in PBE+U on QE? I
encounter this error: 'Error in routine write_p_avg (1): write_p_avg not
working with LDA+U'. Is there a way to circumvent this on Quantum Espresso?
Best,
Shivesh Sivakumar
University of Washington
Seattle-WA
Shivesh Sivakumar
wrote:
> Nicola,
>
> Sorry to bring up the subject again but I still can't reconcile something.
> I understand that 'U' is not universal and not completely portable between
> different PPs. But what I find odd is the effect of 'U'. On QE (with NCPP),
> 'U' seems to
), 'U' seems to
widen the band gap. This is what looked very strange.
Best,
Shivesh
On Wed, May 6, 2020 at 10:22 AM Shivesh Sivakumar <
shiveshsivaku...@gmail.com> wrote:
> Nicola,
>
> Thank you very much for your valuable input. It definitely makes
> everything more clear to me.
&
and for "B"
> 7.74eV.
>
> Looking at the literature wouldn't help - especially (IMNSHO) because
> almost noone has understood what the U is.
>
> nicola
>
>
>
> On 06/05/2020 18:25, Shivesh Sivakumar wrote:
> > Timrov and Paolo,
with another set of parameters).
>
>
> Greetings,
>
> Iurii
>
>
> --
> Dr. Iurii Timrov
> Postdoctoral Researcher
> STI - IMX - THEOS and NCCR - MARVEL
> Swiss Federal Institute of Technology Lausanne (EPFL)
> CH-1015 Lausanne, Switzerland
> +41 21 69 34 881
is not totally appropriate for the forum
but I just want to know if conceptually, there are some differences in
implementation that I am missing out.
Best,
Shivesh Sivakumar
University of Washington
Seattle, WA-98105
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solvable? And also, do I need to copy+paste the wannier
folder (before configuring) directly inside the qe folder?
Any help with troubleshooting this would be very appreciated. I apologise
since the error is more related to programming rather than anything
technical related to QE.
Best,
Shivesh
Giuseppe,
Thanks very much for your input.
Best,
Shivesh Sivakumar
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for the bandgap increase I determined from the HSE
scf output? (Since HSE doesn't change the wavefunctions, and causes only a
rigid shift?)
Any insights would be much appreciated.
Best,
Shivesh Sivakumar
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have tried
tweaking parameters but to no avail. I suspect it is not a memory problem
since I have tried running the calculation on high memory cluster, but the
problem persists. Any help would be much appreciated.
Best,
Shivesh Sivakumar
University of Washington
INPUT
Description: Binary data
have tried
tweaking parameters but to no avail. I suspect it is not a memory problem
since I have tried running the calculation on high memory cluster. Any help
would be much appreciated.
Best,
Shivesh Sivakumar
OUTPUT
Description: Binary data
INPUT
Description: Binary data
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