On 7/5/2018 11:27 AM, agrayson2...@gmail.com wrote:
On Wednesday, July 4, 2018 at 10:57:06 AM UTC-6, Brent wrote:
On 7/4/2018 1:57 AM, 'scerir' via Everything List wrote:
*No. I am asserting that the INTERPRETATION of the superposition
of states is wrong. Although I have asked several times, no one
here seems able to offer a plausible justification for
interpreting that a system in a superposition of states, is
physically in all states of the superposition SIMULTANEOUSLY
before the system is measured. If we go back to those little
pointing things, you will see there exists an infinite
uncountable set of basis vectors for any vector in that linear
vector space. For quantum systems, there is no unique basis, and
in many cases also infinitely many bases, So IMO, the
interpretation is not justified. AG*
***SIMULTANEOUSLY*** was used by EPR in their paper, but that did
not have much meaning (operationally, physically).
Can we say that the observable, in a superposition state, has a
***DEFINITE*** value between two measurements?
No - in general - we cannot say that.
It's in some definite state. But it may be a state for which we
have no measurement operator or don't intend to measure; so we say
it is in a superposition, meaning a superposition of the
eigenstates we're going to measure. So it does not have one of
the eigenvalues of our measurement.
Brent
*
*
*So for the radioactive source, the superposed state, Decayed +
Undecayed, does NOT imply the system is in both states simultaneously? *
No, it is in a state that consists of Decayed+Undecayed. So in a sense
it is in both simulatnaeously. If you are sailing a heading of 45deg
you are on a definite heading. But you are simultaneously traveling
North and East. And if someone was watching you with a radar that could
only output "moving north" or "moving east" it would oscillate between
the two and you might call that a superposition of north and east motion.
Brent
*Same for cat, Alive + Dead? Same for ( (Undecayed, Alive) +
(Decayed, Dead) ) for Schroedinger's composite system? If that's the
case, why would anyone think these states are in any way paradoxical
or contradictory? AG*
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