On 26/09/2011 9:57 PM, Prema Awati wrote:
Hello users,
I am trying to calculate VACF of cation and anion of
[hmim][tf2n] ionic liquid. I am getting some wierd plot which is
decaying along the axis. The jpg of this plot has been attached.Please
can someone assist me interpret this plot ; I know its simple but am
stucked.
The long-time behaviour is not interesting - look at the first
picosecond. Also, as manual 8.5.1 hints, if you want to study short-time
ACF behaviour, you need to sample data rather more frequently than the
relevant time scales.
Mark
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