Reflection above the barrier as tunneling in momentum space
R. L. Jaffe
TL;DR
This paper presents a novel perspective on quantum reflection above a potential barrier by interpreting it as tunneling in momentum space, providing a straightforward derivation of the reflection probability.
Contribution
It introduces a new interpretation of quantum reflection as tunneling in momentum space and offers a simple derivation method for the reflection probability.
Findings
Quantum reflection probability is exponentially small.
Reflection can be understood as tunneling in momentum space.
The derivation simplifies understanding of quantum reflection above barriers.
Abstract
Quantum mechanics predicts an exponentially small probability that a particle with energy greater than the height of a potential barrier will nevertheless reflect from the barrier in violation of classical expectations. This process can be regarded as tunneling in momentum space, leading to a simple derivation of the reflection probability.
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