Re: No new Einstein

I.Vecchi wrote:
> cmaj10@xxxxxxxxx ha scritto:
> ..
>
> > Does reality care about the quantum state? Or is it only the observer
> > who cares about it?
>
> The point is that there is no objective reality beyond the quantum
> state. The assumption that there is one is not just unnecessary, it is
> physically meaningless and therefore a source of error.

I know that this is the currently accepted view by most physicists. But
it sounds like religion to me.

> Physics is about measurement outcomes (aka perceptions).

Being short sighted I've developed a mistrust about perceptions. I know
that there is a truth beyond my perceptions. I don't see why it would
be any different regarding our perception of the laws of physics.

> Reality (whatever that means) is a handy construct,

I think we can define reality as the set of events. So my question
boils down to: "Does the set of events care about the quantum state?"

> whose deconstruction arguably started with Descartes' demon and was furthered
> by Kant, Berkeley, Kierkegaard all the way to Von Neumann, Bohr ,
> Rovelli's RQM ([1]) and beyond.

Since we are citing great names, why not mention the subject of this
discussion, namely Einstein? As you know, he was opposed to Bohr's
views. What do you think was wrong with him? Was he superstitious, or
maybe just turning senile?

> These days we face the challenge (both conceptual and experimental) of
> observer-dependent space-time metrics ([2]) and of macroscopic
> superpositions/superposed observers ([3]). The sooner we get rid of
> objectivist superstition, the better.

Again this sounds like religion to me, like some kind of inquisition.
There is simply no evidence that there is no truth beyond the quantum
state. So the "objectivists" are there to stay.

Chris

.

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