Please help me to clarify the mentioned points
greschd at phys.ethz.ch
Thu Dec 28 01:15:46 CET 2017
Dear Mr. Rehman,
If you are unfamiliar with how Z2 invariants can be calculated using the
hybrid Wannier function approach, I would suggest you read the following
- https://journals.aps.org/prb/abstract/10.1103/PhysRevB.83.235401 arxiv
- https://journals.aps.org/prb/abstract/10.1103/PhysRevB.95.075146 arxiv
If you need technical help with running Z2Pack with VASP, you can find
guidance in the tutorial
http://z2pack.ethz.ch/doc/2.1/tutorial/index.html and examples
http://z2pack.ethz.ch/doc/2.1/examples/vasp.html sections of the Z2Pack
I would be happy to answer specific questions that you might have in
reading these documents.
On 27.12.2017 15:53, Majeed Ur Rehman wrote:
> Respected Sir/Madam
> I am Mr.Majeed Ur Rehman from Pakistan. I am Master student with very
> less background in VASP. Currently, i am learning vasp tools. These
> days i am interested to learn how one can calculate a Berry curvature
> and Z2 topological index using vasp, wannier90. Let me mention that
> wannier90 and Z2 pack are already interfaced with the VASP on our
> cluster. But the problem is to how can I use it to calculate Berry
> curvature and Z2 topological index. For this, I need some
> guideline from an expert like you, because no expert is available here
> with me to guide.
> Your help would be highly appreciated. I know you would be too much
> busy sir but your help would be like an oxygen for me to survive at
> this initial and difficult stage of my learning.
> Thank You and looking forward for your nice response.
> Best Regards
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