Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 19 июля 2013 г.
Аннотация:Context. During a solar magnetic field reversal the magnetic dipole moment does not vanish, but migrates between poles, in contradiction to the predictions of mean-field dynamo theory.
Aims: We try to explain this as a consequence of magnetic fluctuations.
Methods: We used the statistics of fluctuations to estimate observable signatures.
Results: Simple statistical estimates, taken with results from mean-field dynamo theory, suggest that a non-zero dipole moment may persist through a global field reversal.
Conclusions: Fluctuations in the solar magnetic field may play a key role in explaining reversals of the solar dipole.