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Issue #2 - Scattering at a potential step

Quantum Physics Corner
Quantum Physics Corner
«The “paradox” is only a conflict between reality and your feeling of what reality “ought to be”.»
— Richard Feynman

Problem of the week
A quantum particle colliding with a potential step is one of the simplest scattering scenarios in quantum mechanics. It has however some surprising aspects to it.
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Problem of the week - Solution
Let us first find the scattering state.
The probabilities of reflection and transmission are found as follows.
Finally, we discuss the classical limit.
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