Student Friendly Introduction to QFT · Problem 29

Vectors: Spin 1 Fields

Physics — QFT · spinor-outer-product

Problem

Prove (4-153), i.e.,

u_r(\mathbf{p})\bar{u}_r(\mathbf{p}) = \dfrac{\not{p} + m}{2m}

, by substituting the spinors of (4-20), the Dirac matrices of (4-10), and

p^i = -p_i