The Lie algebra su(2) — traceless anti-Hermitian 2×2 complex matrices — is the infinitesimal version of the compact Lie group SU(2) of 2×2 unitary matrices with unit determinant. A standard basis is T_a = σ_a/2 where σ_a are the Pauli…
The Lie algebra su(2) — traceless anti-Hermitian 2×2 complex matrices — is the infinitesimal version of the compact Lie group SU(2) of 2×2 unitary matrices with unit determinant. A standard basis is T_a = σ_a/2 where σ_a are the Pauli…