The angular momentum of EM fields is directly given by
Angular momentum of EM fields
\[ {\boldsymbol l} = {\boldsymbol r} \times {\boldsymbol g} = \varepsilon_0 ~{\boldsymbol r} \times \left({\boldsymbol E} \times {\boldsymbol B}\right) \tag{lrxg}\label{lrxg} \]
Author: Jean-Sébastien Caux
Created: 2022-03-15 Tue 08:10