Quantum Mechanics: Concepts and Applications · Problem 9.3

Approximation Methods for Stationary States — Nouredine Zettili

Physics — Quantum Mechanics · stark-effect-hydrogen-n2-degenerate

Problem

Using first-order (degenerate) perturbation theory, calculate the energy levels of the

n = 2

states of a hydrogen atom placed in an external uniform weak electric field along the positive

z

-axis.