This is the improved version of WanTiBexos code,
see A.C. Dias, J.F.R.V. Silveira, F. Qu "WanTiBEXOS: A Wannier based Tight Binding code for electronic band structure, excitonic and optoelectronic properties of solids" Comp. Phys. Comm., 285, 108636 (2022) DOI
See also WanTiBexos Docs
What's new:
- the MKL solver for Bethe-Salpeter equation was replaced by MPI+GPU paralel solver from the Scalable Library for Eigenvalue Problem Computations (SLEPc)
The calculation time for Example-3 is reduced from 680 s using MKL solver to 3 s using SLEPc solver on 64 cores.
How to install the code see README.md in src folder