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EPW projection related issue 
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Joined: Sat Mar 03, 2018 7:37 am
Posts: 75
University: IIIT Allahabad
Post EPW projection related issue
Dear Experts,
How can I get the exact projection values for my material( i.e proj(1), proj(2) etc). Should I choose proj(1)='random' or Proj(1)='sp2/sp3' any arbitary manner or there is some dedicated procedure to obtain this.Please give me the details of it.I am a beginner in this field and I am facing a lot of difficulties with it.Please help.

Thanks and regards,
Anindya Bose

Fri Jun 01, 2018 7:30 am
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Joined: Wed Jan 13, 2016 7:25 pm
Posts: 576
University: Oxford
Post Re: EPW projection related issue

There is no automatic procedure. The initial projection should be based on chemical intuition for your specific materials.
For example silicon has sp3 bonds. Therefore it is a good idea to use this as initial projection.

The random projection usually does not work very well based on my experience.

Best wishes,

Dr. Samuel Poncé
Department of Materials
University of Oxford
Parks Road
Oxford OX1 3PH, UK

Fri Jun 01, 2018 5:19 pm
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