My Community

Hello,

I want to do GW calculations for a 2d material. So, in the VASP forum, I came across a post (2021) which says that coulomb truncation is not possible. Can we do coulomb truncation for GW calculations using VASP now?

Thanks in advance
Kousika

Up to now this is not implemented in VASP for GW. It is on our to-do list, but we have no definitive plans when this project will be done.

Thank you for the reply!

So is there any other way to achieve faster convergence when doing GW calculations for 2D material using VASP?

We have no method at the moment specially for 2d materials, but you should consider using the low-scaling GW algorithms, which generally speed up GW calculations:
https://www.vasp.at/wiki/index.php/Prac ... algorithms