Radiation field
= Radiation field
A radiation field is the rescaled limit of a wave along null infinity. For a three-dimensional wave, the outgoing field is the limit of $ru(t,r\omega)$ with $t-r$ fixed, while the incoming field fixes $t+r$.
= Radiation field
A radiation field is the rescaled limit of a wave along null infinity. For a three-dimensional wave, the outgoing field is the limit of $ru(t,r\omega)$ with $t-r$ fixed, while the incoming field fixes $t+r$.