You can read the following equation in this way:
Total Energy = Kinetic Energy + Potential Energy
So E*psi is total energy, h/2u(del^2psi) is kinetic, and q^2/(4 * pi * eps_0 * r)*psi is potential.
You can read the following equation in this way:
Total Energy = Kinetic Energy + Potential Energy
So E*psi is total energy, h/2u(del^2psi) is kinetic, and q^2/(4 * pi * eps_0 * r)*psi is potential.