Construction and analysis of guiding center distributions for tokamak plasmas with ambient radial electric field. - Andreas Bierwage; Philipp Lauber; Noriyoshi Nakajima; Kouji Shinohara; Guillaume Brochard; Young-chul Ghim; Wonjun Lee; Akinobu Matsuyama; Shuhei Sumida; Hao Yang; Masatoshi Yagi (Comput. Phys. Commun., 2025)