Helical magnetic self-organization of plasmas in toroidal pinches with transport barriers formationMarco Veranda, Daniele Bonfiglio, Susanna Cappello, Luis Chacòn, Dominique Frank Escande and Giovanni di GiannataleEPJ Web Conf., 230 (2020) 00013DOI: https://doi.org/10.1051/epjconf/202023000013