Vol 3 - Landau, Lifshitz - Quantum mechanics - non-relativistic theory (3ed., 1991) · Problem 48.2

The Quasi-Classical Case

Physics — Landau & Lifshitz · quasi-classical-centrally-symmetric-levels

Problem

The same as Problem 1, but for a quasi-classical centrally symmetric field

U(r)

(V. L. Pokrovskii).