Quantum Physics

    

Quantum Erasure Experiment is not a Miracle

Authors: Brian Chang

This paper rejects the common notion that "erasing path information causes interference fringes to reappear". This paper argues that it is a misnomer to call this experiment a quantum "erasure". Instead of "erasing", the diagonal polarizers actually filter the photons, and it is this filtering that causes the interference fringes to reappear. Further, there is no need to introduce anticausality to explain the delayed-choice experiment. The wavefunction of a photon does not collapse after it comes out of the double slit until it reaches the position of the screen. It is meaningless to ask which slit the photon came through. Therefore, instead of calling this experiment a "quantum erasure experiment", it would be more appropriate to call it a "quantum screening experiment", and it is this means of screening that restores coherence.

Comments: 32 Pages.

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Submission history

[v1] 2024-08-02 20:42:49
[v2] 2024-08-10 12:05:29

Unique-IP document downloads: 462 times

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