On 4/24/2018 12:03 AM, [email protected] wrote:
On Tuesday, April 24, 2018 at 5:14:25 AM UTC, scerir wrote:
According to Kennedy tensor product (in QM) has a very interesting
story.
https://philpapers.org/rec/KENOTE <https://philpapers.org/rec/KENOTE>
On the empirical foundations of the quantum no-signalling proofs
<https://philpapers.org/go.pl?id=KENOTE&proxyId=&u=http%3A%2F%2Fdx.doi.org%2F10.1086%2F289885>
J. B. Kennedy <https://philpapers.org/s/J.%20B.%20Kennedy>
/Philosophy of Science <https://philpapers.org/asearch.pl?pub=827>/ 62
(4):543-560 (1995)
Abstract
I analyze a number of the quantum no-signalling proofs (Ghirardi et
al. 1980, Bussey 1982, Jordan 1983, Shimony 1985, Redhead 1987,
Eberhard and Ross 1989, Sherer and Busch 1993). These purport to show
that the EPR correlations cannot be exploited for transmitting
signals, i.e., are not causal. First, I show that these proofs can be
mathematically unified; they are disguised versions of a single
theorem. Second, I argue that these proofs are circular.*The essential
theorem relies upon the tensor product representation for combined
systems, which has no physical basis in the von Neumann axioms.*
Historically, the construction of this representation scheme by von
Neumann and Weyl built no-signalling assumptions into the quantum
theory. Signalling between the wings of the EPR-Bell experiments is
unlikely but is not ruled out empirically by the class of proofs
considered
Wow! Thank you. It costs $10 to get a copy for a non-member, but very
likely well worth it IMO. AG
I wouldn't pay $0.01 for a paper written by a guy who says something is
not ruled out /*empirically*/ by some /*mathematical proofs*/, and says
something has no /*physical*/ basis in */axioms/*. He seems very
confused about the difference between mathematics and empiricism.
Brent
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