Quantum Mechanics: Concepts and Applications · Problem 5.8

Three-Dimensional Problems — Nouredine Zettili

Physics — Quantum Mechanics · angular-momentum-component-arbitrary-direction

Problem

Consider a particle of total angular momentum

j = 1

. Find the matrix for the component of

\vec{J}

along a unit vector with arbitrary direction

\vec{n}

. Find its eigenvalues and eigenvectors.