Introduction to Electrodynamics · Problem 11.2

Radiation — David J. Griffiths

Physics · electric-dipole-radiation-coordinate-free

Problem

Equation 11.14 can be expressed in ``coordinate-free'' form by writing

p_0 \cos\theta = \mathbf{p}_0 \cdot \hat{r}

. Do so, and likewise for Eqs. 11.17, 11.18, 11.19, and 11.21.