Ultrafast pseudospin dynamics in graphene. - Trushin, M.; Grupp, A.; Soavi, G.; Budweg, A.; De Fazio, D.; Sassi, U.; Lombardo, A.; Ferrari, A. C.; Belzig, W.; Leitenstorfer, A.; Brida, D. (Physical Review B: Condensed Matter & Materials Physics, 2015)