Should also laser beams be tried as detectors in Double Slit Experiments?

Question

If we know that a photon scatters an electron should it be tried as an indirect detector to say a deflector at one slit which can help to deduce the 'which path' information as only an electron that passes through a 'deflector free' slit can be recorded on the screen?If the vertical laser deflector is moved towards or away from the slit can it be deduced how much it may affect the collapse of the wave function for the particle?

The Dude · Answer

Any kind of detection of the electron, no matter how indirect, will cause the wave function to collapse. Moving a photon type detector away or closer to the slit may change the probability of a photon colliding with an electron. It's more reflective of the nature of the beam of photons than that of the electron's path probability, especially in regards to maintaining superposition. I think.

Answered by The Dude on May 15, 2021

Should also laser beams be tried as detectors in Double Slit Experiments?

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