Which effect would result from a sharp discontinuity in quantum mechanical potential energy function?

💡 Explanation

When the potential energy function sharply changes, a portion of the incident wave is reflected because the wavefunction and its derivative must be continuous everywhere unless the potential is infinite, leading to a change in propagation direction. Therefore, direct reflection is the main consequence, rather than increased tunneling, Cooper pair formation, or suppressed compton scattering, each of which needs different mechanisms.”

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