Standard Model 6: Pauli Matrices
Azimuth 2026-03-17
Summary:
Wolfgang Pauli invented his famous matrices to describe the angular momentum of a spin-1/2 particle back in 1927. You’ll see them in most courses on quantum mechanics. We tend to take them for granted. But where do they come from? Here I derive them from scratch! There are lots of ways to derive them, and […]