[Octopus-users] Negative absorption co-efficient in TD run

[Xavier Andrade]

Hi Juzar,

Can you give us more details? What are calculating? What is the 
propagation time? How negative is the absorption?

Cheers,

Xavier

On Mon, 16 Nov 2009, Juzar Thingna wrote:

> Hello Everyone,
> I'm performing some TD calculations but when I plot the absorption spectra
> from the TD run I get negative values of the absorption co-efficient. Please
> can someone explain to me, why this is happening?
> 
> Regards,
> Juzar
> 
> --
> "At the end of all our searching we will arrive at the place we began and
> know it for the first time."
> 
>