Calculation about Chern number
greschd at phys.ethz.ch
Tue Oct 3 12:59:50 CEST 2017
Dear Wenliang Liu,
These inputs are described in the README for pw2z2pack:
They are needed only if you want to consider only the Chern number in a
specific symmetry eigenspace. In that case, 'isym' is the index of the
symmetry (w.r.t. the standard Quantum Espresso output), and sym_eig is
the symmetry eigenvalue of the considered eigenspace.
On 01.10.2017 02:32, wlliu wrote:
> Dear Sir,
> My name is Wenliang Liu. I come from Xiangtan University,
> Xiangtan，Hunan Provience, China.
> I'm writing to enquire about how I set these two parameters( isym and
> sym_eig) in the file seedname.pw2z2.in.
> Thanks a lot and forward to hearing from you soon.
> Best Regards,
> Wenliang Liu
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