Type of dual superconductivity for the SU(2) Yang–Mills theory Shogo Nishino, Kei-Ichi Kondo, Akihiro Shibata, Takaaki Sasago and Seikou Kato Eur. Phys. J. C, 79 9 (2019) 774 Published online: 19 September 2019 DOI: 10.1140/epjc/s10052-019-7280-8