Ultrafast bi-excitonic dynamics and annihilation in molecular and mesoscopic systemsPavel Malevich, Constantin Heshmatpour, Craig N. Lincoln, Harald Ceymann, Maximilian H. Schreck and Jürgen HauerEPJ Web Conf., 205 (2019) 06013DOI: https://doi.org/10.1051/epjconf/201920506013