On 21/11/2017 4:38 pm, agrayson2...@gmail.com wrote:
On Monday, November 20, 2017 at 10:22:44 PM UTC-7, Bruce wrote:
On 12/11/2017 4:34 am, John Clark wrote:
The title of this thread is about the consistency of Quantum
Mechanics, but far more important than QM is the ability of ANY
theory to be compatible with experimental results, and one of
those experiments shows the violation of Bell's Inequality. And
that violation tells us that for ANY theory to be successful at
explaining how the world works AT LEAST one of the following
properties of that theory must be untrue:
1) Determinism
2) Locality
3) Realism
You have repeated this claim several times, John, but it is not
strictly true. Maudlin summarizes it like this:
"Early on, Bell's result was often reported as ruling out
/determinism/, or /hidden variables/. Nowadays, it is sometimes
reported as ruling out, or at least calling in question,
/realism/. But these are all mistakes. What Bell's theorem,
together with the experimental results, proves to be impossible is
not determinism or hidden variables or realism, but /locality, /in
a perfectly clear sense/. /What Bell proved, and what theoretical
physics has not yet properly absorbed, is that the physical world
itself is non-local."
Which begs the question; operationally, what does non local mean? AG
It doesn't 'beg the question'! It might raise the question....
Non-local means that disturbing one particle of the singlet influences
the other, at a distance and instantaneously. Read Maudlin to find out
more about what these terms mean.
Bruce
This is from the article Stathis pointed to: Tim Maudlin,
arxiv:1408.1826 He says the same thing in his book and numerous
other articles where he spells this out in considerable detail.
Bruce
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