hi,
increase the max energy to 20 eV or even higher...as you go higher the
sum rule will approach 100%....
s.auluck

> Dear All,
>       Recently, I was using optical part to calculate the
> graphene's electromagnetic character. I set Optical.EnergyMinimum 0 eV and
> Optical.EnergyMaximum 2 eV.However, in the output file it appears "Fsum
> rule
> is not fulfilled by more than a 20% The dielectric function will be
> extended
> to higher energies by enforcing the Fsum rule This will increase the
> quality
> of the quantities calculated via the Kramers-Kroning relation." Then the
> result such as reflectance.out, the energy is extended to 0 eV ~ 200 eV
> while it should be 0 eV ~ 2 eV. As a new user, I am very confused about
> that.
>       I am eager to know how can I avoid the warning and get the energy
> range what I need such as 0 eV ~ 2 eV.
>       Thanks.
>
>       Yours
>       Gonefar
>


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Prof. Sushil Auluck                      Phone:+91-512-6797092/6148
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