quantum mechanics - General question about the potential barrier problem: Why does $\exp( kx)$ diverge when $x>0$ in the case when $E < V(x)$? - Physics Stack Exchange
1. Simple Illustration of the Rectangular Potential Barrier | Download Scientific Diagram
1-dim rectangular potential barier
Rectangular potential barrier - Wikipedia
The Potential Barrier
7.7: Quantum Tunneling of Particles through Potential Barriers - Physics LibreTexts