Thank you for this. Of course, the delayed choice experiment has been known and been discussed for decades and has been incorporated into various interpretations of quantum mechanics.
In particular, it seems to me that one has to decide where to place the underlying metaphysics; i.e. in the physical particles themselves; the universe or multiverse operating within a "block" space-time context; or in the consciousness of the observer. In short, just where do we want to place the mystery. With that, here are some comments:
paisley70 Wrote:
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> Many particles behave strangely, almost if they
> "know" something. Entangled particles behave in
> such a way that they almost anticipate what will
> happen next, and many physicists believe that they
> do this by receiving information from the future.
> Yes, I am alluding to an updated double-slit
> experiment, called the delayed choice experiment:
This strikes me as placing the metaphysics in the particles themselves, as if they were conscious agents making choices based upon receiving information from a "block" time-less (non-temporal) universe, or multiverse where information as to the future is not only available but in some sense imposed on them. Note, however, that this does not "solve" the delayed choice experiment problem because regardless of where the information comes from, the "decision" remains retroactive; i.e. it still violates causality. That is why the role of the observer seems to be paramount as affecting the outcome.
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> "The scientists placed a special crystal at each
> slit. The crystal splits any incoming photons into
> a pair of identical photons. One photon from this
> pair should go on to create the standard
> interference pattern, while the other travels to a
> detector. Perhaps with this setup, physicists
> might successfully find a way to observe the
> logic-defying behavior of photons.
>
> But it still doesn't work. And here's the really
> weird part: It doesn't work regardless of when
> that detection happens. Even if the second photon
> is detected after the first photon hits the
> screen, it still ruins the interference pattern.
> This means that observing a photon can change
> events that have already happened."
>
>
https://www.popularmechanics.com/science/a22280/do> uble-slit-experiment-even-weirder/
>
> (Go after the source document if you want to, as a
> reference. "A Delayed Choice Quantum Eraser"
>
https://arxiv.org/abs/quant-ph/9903047v1)
Yes. And as I said, this effect has been known for decades, and has been endlessly analyzed and addressed from numerous perspectives.
>
> Time moves forward for you, only due to your
> biology; ie: consciousness.
This is a standard Minkowskian interpretation of special relativity, where again the block universe concept is implied from special relativity, and time becomes illusory, or merely psychological.
> Entangled particles,
> on the other hand do as the simulation dictates,
> according to information in their code. And this
> includes information flowing back through time.
That is not an explanation. Entangled particles may well have "coded" elements of information encompassing the future as within their light cones, but again that does not explain the "decision" of the particles with respect to the two-slit experiment; and how that plays out in meaningful psychological time. If psychological time is illusory--i.e. has not even local reality--then the entire structure of motion and causation is undermined. I don't find this a satisfactory explanation.
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> Time is only a construct of our consciousness,
> processed in microtubules of the mind. Known as
> Orch-OR theory. See figure 4, to understand the
> computing and quantum computing taking place in
> the microtubules of the brain:
>
>
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC68617> 90/
This is the Penrose-Hameroff quantum explanation of consciousness which has been roundly rejected for a variety of reasons. But again, even if consciousness is the result of quantum processes in the brain, that does not explain the details of human cognition, and certainly does not explain the mysteries of quantum processes generally. After all, human consciousness is quite ordered, involving experience of time, motion, and causality. So, evolution would have to have played quite a trick on us. And worse, nothing is left for human life to make any ultimate sense in a real world context.
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>
> "The finer scale of consciousness: quantum
> theory"
>
> The "T" in CPT Symmetry is "Time Reversal
> Symmetry". You should read up on this, and
> discover what it means for a system on a flat
> plane (meaning a dimension such as ours obeying
> inverse-square laws, not other dimensions such as
> the one higher than ours obeying inverse-cubed
> laws.)
>
>
https://arxiv.org/pdf/hep-ph/0504143.pdf, pg. 2.
I am familiar with this. So, what is your point here.
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>
> "From our relatively low energy experience so
> far, we are lead to expect that a theory of
> quantum gravity should respect most of the
> fundamental symmetries of particle physics,
> that govern the standard model of electroweak and
> strong interactions: Lorentz symmetry
> and CPT invariance, that is invariance under the
> combined action of Charge Conjugation
> (C), Parity (reflection P) and Time Reversal
> Symmetry (T). Actually the latter invariance
> is a theorem of any local quantum field theory
> that we can use to describe the standard
> phenomenology of particle physics to date. The CPT
> theorem can be stated as follows [1]:
> Any quantum theory, formulated on flat space time
> is symmetric under the combined
> action of CPT transformations, provided the theory
> respects (i) Locality, (ii) Unitarity
> (i.e. conservation of probability) and (iii)
> Lorentz invariance."
O.K. Again, so what.
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>
> Do the math with time and simply reverse time by
> replacing t with -t. There are wild implications
> in understanding this. Antimatter has been created
> in the Large Hadron Collider, and they are
> particles moving back in time, so we have observed
> particles performing what was mathematically
> anticipated.
But, we are back at square one; The delayed choice effects of quantum mechanics. We are still left to assign some metaphysical explanation or interpretation. And where do we look? The particles themselves, the universe or multiverse, or human consciousness. There are countless interpretations that favor any one of these. For example, David Deutsch insists it is the product of the multiverse; whereas Wheeler subscribed to a "participatory" universe involving consciousness.