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I suppose we have 4 conditions to examine :

{ single particle | beam } * { with eraser | without eraser }

I suppose we have to get the same results that those that are observed behind the slits in the classical version of the experiment, that is :

- particle with eraser : even distribution, no interference fringes.
- particle without eraser : interference fringes.
- beam with eraser : even distribution, no interference fringes.
- beam without eraser : interference fringes.

The last one maybe would be a significant result for QT. So, has this been done yet ?

Alternative formulation of the question : was the double-slit experiment ever executed with slits cut in a detection screen, and what were the results ?


I did read this question :

Double Slit Experiment: What would happen if the slit material was a detector?

...but I think it does not really treat the same subject matter.

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