 Spinor representation of the Lorentz group

ID: spinor-representation-of-the-lorentz-group

With

S^{μν} = \frac{1}{4} [γ^{μ}, γ^{ν}]

S [Λ] = exp (\frac{1}{2} Ω_{μν} S^{μν}) .

It obeys

S^{- 1} γ^{μ} S = Λ^{μ}_{ν} γ^{ν}

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