2. Coupled dipoles method (Purcell-Pennypacker, CDM)
... A subtle difference between both methods is in the fact that in the first method one works with the fields which excite a dipole (without the field of the dipole), whereas in the second method one uses the real fields in a given domain. ...
6. Moss D., Kitchatinov L.L., Sokoloff D., Reversals of the solar dipole, eprint
... Moss D., Kitchatinov L.L., Sokoloff D., Reversals of the solar dipole, eprint arXiv:1211.5253, 2012. ... During a solar magnetic field reversal the magnetic dipole moment does not vanish, but migrates between poles, in contradiction ...