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XilOnGlennSt
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- TL;DR Summary
- Delayed-choice experiments, and "spooky action at a distance" observations seem to be based on the spacetime frame of the observer, not that of the photon.
In Abner Shimony's paper "The Reality of the Quantum World", the choice between particle detector and wave interference detector is said to be made "after the photon had interacted with the beam splitter".
A: Isn't it true that, at light speed, time is not passing for the photon? And so, with reference to Shimony's clock, nothing can be said about "where" the photon "is" at any particular time. So, no statement can be made about what time would be "after" the photon had passed through the beam splitter.
B: Furthermore; since no time passes for the photon between emission and absorption, there is no basis for the assertion that for some period of time the photon existed in a superposed state.
C: For the same reason, entangled photons that are emitted in opposite directions can never be said to be "distant" from one another, until one or the other is absorbed. The spacetime intervals for each are null, so they are adjacent in spacetime. There is no need to suppose some signal traveling at faster than light.
Please help me understand any misconceptions. Thanks for your comments.
A: Isn't it true that, at light speed, time is not passing for the photon? And so, with reference to Shimony's clock, nothing can be said about "where" the photon "is" at any particular time. So, no statement can be made about what time would be "after" the photon had passed through the beam splitter.
B: Furthermore; since no time passes for the photon between emission and absorption, there is no basis for the assertion that for some period of time the photon existed in a superposed state.
C: For the same reason, entangled photons that are emitted in opposite directions can never be said to be "distant" from one another, until one or the other is absorbed. The spacetime intervals for each are null, so they are adjacent in spacetime. There is no need to suppose some signal traveling at faster than light.
Please help me understand any misconceptions. Thanks for your comments.