Flux tubes in Nf = 2 + 1 QCD with external magnetic fieldsClaudio Bonati, Salvatore Calì, Massimo D’Elia, Michele Mesiti, Francesco Negro, Andrea Rucci and Francesco SanfilippoEPJ Web Conf., 175 (2018) 12008DOI: https://doi.org/10.1051/epjconf/201817512008