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How to calculate fermi velocity of graphene?

Posted: Thu Apr 11, 2013 11:25 am
by zhangjinmt
Dear vaspers;
I have calculated the band structure of graphene,I wonder how to get the fermi velocity of the structure?

How to calculate fermi velocity of graphene?

Posted: Thu Apr 11, 2013 12:48 pm
by admin
Try the procedure described previously:
http://cms.mpi.univie.ac.at/vasp-forum/ ... php?4.4513

How to calculate fermi velocity of graphene?

Posted: Thu Apr 11, 2013 3:51 pm
by zhangjinmt
Thank you for your answer,I calculate the distance between the above two kpoint with the known reciprocal lattice vector in OUTCAR( I have times 2Pi for the original reciprocal lattice from OUTCAR) as dK
times 2Pi for the original reciprocal lattice from OUTCAR as dK ?
I wonder why we should