Morse potential
= Morse potential
{c}
{title2=$V(x)=D_e(1-e^{-a(x-x_e)})^2$}
{wiki}
The Morse potential models an anharmonic molecular bond with dissociation energy $D_e>0$, equilibrium separation $x_e$, and inverse length $a>0$. Unlike a <quantum harmonic oscillator>, it has finitely many bound levels and a dissociation continuum.