Yambo Community Forum

Dear yambo team,

For our scopes we have to use the inverse dielectric function as reported in eq. 6 of ref. Computer Physics Communications 8 180 2009.
We would like to know where to find this in the YAMBO code. We are using the 3.2.1-r.448 version.

Thanks a lot.

Marco Govoni and Ivan Marri

In pol/function/X_s.F the Dyson Equation for /chi is solved

then in pol_function/O_driver.F the epsilon is constructed, but only for
the head, that's what you need for the absorption for instance.

Looking at these two subroutine you can easily construc your full dilectric matrix.


Cheers,

Daniele

Equivalently you can use X_em1.F where the inverse dielectric function is calculated ans written on disk.