[Wannier] Rapid osacillations in Wannier interpolated Band Structure

[Lorenzo Paulatto]

>     I find some rapid oscillations in Wannier interpolated band 
> structure compare to DFT one. Which flag need to modify to get rid off 
> such oscillations? This may be a very immature question but kindly help me.
> 
Hello Soumyadeep,
assuming that everything else is correct, in particular functions spread 
completely minimized: if you're using version 2.1 of Wannier90, you may 
try to set use_ws_distance to true, which can improve the interpolation 
method and avoid this kind of oscillations. If you're using version 3, 
than this option is already active, and your only chance is to use a 
finer mesh of k-points for wannierisation.

kind regards

-- 
Lorenzo Paulatto - CNRS/SU Paris