[Wien] questions about Wien2k

[Brik Hamida]

Dear


Im using Wien2k code and I have some questions

1) Wien2k code is based on DFT which consideres only the ground state but
in the same time the code calculates the absorption spectrum. is this
spectrum has a physical sense ? it is correct ?


2) the dielectric functions  are calculated versus energy. What means this
energy ? is it the excitation energy ? and what means the static dielectric
constant



Thanks for your reply
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