Apar-T: code, validation, and physical interpretation of particle-in-cell resultsMickaël Melzani, Christophe Winisdoerffer, Rolf Walder, Doris Folini, Jean M. Favre, Stefan Krastanov and Peter MessmerA&A, 558 (2013) A133DOI: https://doi.org/10.1051/0004-6361/201321557