Sternheimer and MGGA
In the present implementation, only the response in density is considered. However, if we use a MGGA, changes in the KED, gradient and Laplacian of the density, as well as in the paramagnetic current need to be considered.
In the present implementation, only the response in density is considered. However, if we use a MGGA, changes in the KED, gradient and Laplacian of the density, as well as in the paramagnetic current need to be considered.