Franz Schwabl Quantum Mechanics 4th Edit · Problem 6.12

Motion in an Electromagnetic Field

Physics — Quantum Mechanics · expectation-values-psi-n-n-1-n-1

Problem

Compute

\langle z^2 \rangle

and

\langle z^2 \rangle / \langle r \rangle^2

for

\psi_{n,n-1,n-1}