[Octopus-users] Negative absorption co-efficient in TD run
xavier at tddft.org
Mon Nov 16 11:51:54 WET 2009
Can you give us more details? What are calculating? What is the
propagation time? How negative is the absorption?
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?
> "At the end of all our searching we will arrive at the place we began and
> know it for the first time."
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