On 8/7/2018 4:32 AM, Bruno Marchal wrote:
On 7 Aug 2018, at 01:33, Brent Meeker <[email protected]
<mailto:[email protected]>> wrote:
On 8/5/2018 9:43 AM, Bruno Marchal wrote:
On 4 Aug 2018, at 23:32, [email protected]
<mailto:[email protected]> wrote:
AFAIK, no one has ever observed a probability wave, from which I
conclude the wave function has only epistemic content.
Then you need to explain how that epistemic content interfere in
nature.
?? The epistemic content IS how interference occurs in nature. The
wave function is one's estimation/knowledge of how events will
infold, including intereference.
That will follow from mechanism indeed, but is not the standard way
most people interpret the physical laws. The *physical* antic will
indeed be epistemic, but that is what we need to test (and indeed the
quantum confirms this, but you give the answer before the question).
What I meant is that the quantum wave has to be taken as real, as we
can put it in a box and send it to a colleague to ask if he get the
same results.
The epistemic view is that he will get the same result only if he has
the same information, which is represented in his calculation of the
wave function. That's the idea of QBism. The probabilistic nature of
QM allows that persons with different information can still get a result
consistent with both wf. It is different from the early ideas of
consciousness collapses the wf in that it supposes a wf is relative to a
person and so its collapse is also relative to a particular person
observing a result.
I would think this interpretation would be close to your ideas in that
it keeps a close link between individual consciousness and QM, i.e.
there is a relative state even before observation.
Brent
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