While reading about time dependent perturbation theory, I began wondering if it was possible to obtain the diffraction pattern by treating the walls as an infinite potential barrier and the slit as a no potential gap. Is this possible? If so, how would one go about it? If not, why?
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Can the intensity distribution behind edges and slits be explaint by the interaction with the surface electrons of the edges? – HolgerFiedler Dec 04 '18 at 08:05
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Deflection of electron beam on edges: The relation to your question se the last paragraph. – HolgerFiedler Dec 04 '18 at 08:10
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Relationship between the material properties of an edge and the fringes behind this edge – HolgerFiedler Dec 04 '18 at 08:12