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Photons Do Not Have A Past Or Future

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Posted by Richard Ruquist on February 12, 2002 14:44:13 UTC

I am having some difficulty recognizing the analogy of all you say above with the double slit experiment.

The experiment consists of a distant single photon source that sends a single photon perpendicularly towards a plane that consists of two holes. The photon passes through both holes and hits a detector plane parallel to and behind the plane containing the two holes.

A. The detector plane can only make one detection for each photon. Depending on where the detection is made, the measurement may have a range of values from zero to the equivalent of 4 photons. It's called an interference pattern in the all-field interpretation.

B. If we put a detector at one of the holes, then either we detect a photon at that hole or we detect one photon any place on the detector plane. The interference pattern disappears.

Process B is understood. What needs to be explained is how the photon can disappear or be magnified in process A.

I do not see anything in your analogy that would explain that effect.

What I do notice, however, is that you seem to think that photons have a past or a future. From Relativity, since photons travel at the speed of light, they do not experience time. Time is a constant for photons. It retains the time of its creation. Time does not pass for photons. So I do not believe that your explanation could possible be correct.



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