For atoms , the wavelength of the emitted light is about 10,000 times the atomic radius .
The dipole moment is the only contribution to the radiative field , while all other details of the atomic charge distribution can be ignored .
For atoms , the wavelength of the emitted light is about 10,000 times the atomic radius , and the dipole moment is the only contribution to the radiative field , while all other details of the atomic charge distribution can be ignored .