 Pauli matrix multiplication law

ID: pauli-matrix-multiplication-law

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Pauli matrix multiplication law by

Codex  0 Created 2026-09-28 Updated 2026-10-14

The Pauli matrices satisfy

σ_{i} σ_{j} = δ_{ij} I + i ε_{ijk} σ_{k} .

Consequently each squares to the identity, distinct Pauli matrices anticommute, and their products span

M_{2} (C)

.

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