Srednicki — Quantum Field Theory · Problem 35.1

Canonical Quantization of Scalar Fields — Mark Srednicki

Physics — QFT · manipulating-spinor-indices

Problem

Verify that eq. (35.20) follows from eqs. (35.2) and (35.19). Hint: write everything in ``matrix multiplication'' order, and note that, numerically, εab=−εab=iσ2\varepsilon^{ab} = -\varepsilon_{ab} = i\sigma_2. Then make use of the properties of the Pauli matrices.

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