Re: Is State Vector Reduction a 'Process'?

Aaron Bergman wrote:
> In article <1117448074.219697.96620@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
> "Seratend" <ser_monmail@xxxxxxxx> wrote:
...
> > Now how can you deduce (from QM theory) the preferred basis and what we
> > "really" measure in this experiment?
>
> You need to describe to me the macroscopic degrees of freedom in your
> experiment, ie, the macrostates by which you are performing your
> observation.

Isn't this obviously circular? Aren't the "the macrostates by which you
are performing your observation" precisely what decoherence is supposed
to derive from a purely quantum description the process?

IV

.