Quantum Mechanics: Concepts and Applications · Problem 9.7

Approximation Methods for Stationary States — Nouredine Zettili

Physics — Quantum Mechanics · variational-method-infinite-square-well

Problem

For a particle of mass

m

moving in a one-dimensional box with walls at

x = 0

and

x = L

, use the variational method to estimate (a) its ground state energy and (b) its first excited state energy.