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Interference through double slit caused by slit interaction?

Physics Asked by Frank McCain on January 22, 2021

How do the experimenters ensure that the interference pattern produced in the double slit experiment is not due to the interaction of the atoms at the boundary of the slit and the particle (photon/electron) undergoing the experiment?

One Answer

Interactions at the slit (inelastic scattering) break the coherence between the two paths so that there is no interference.

This has been experimentally shown recently: https://www.researchgate.net/publication/273580024_Elastic_and_inelastic_electrons_in_the_double-slit_experiment_A_variant_of_Feynman%27s_which-way_set-up.

Answered by JEB on January 22, 2021

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