A Modern Approach to Quantum Mechanics · Problem 3.11

Time Evolution — John S. Townsend

Physics — Quantum Mechanics · spin-half-matrix-representations

Problem

Determine the matrix representations of the spin-

\frac{1}{2}

angular momentum operators

\hat{S}_x

\hat{S}_y

, and

\hat{S}_z

using the eigenstates of

\hat{S}_y

as a basis.