@article{CRPHYS_2021__22_S2_3_0, author = {Eric Collet and Sylvain Ravy}, title = {Foreword: {Ultrafast} {Phenomena} in condensed matter physics}, journal = {Comptes Rendus. Physique}, pages = {3--14}, publisher = {Acad\'emie des sciences, Paris}, volume = {22}, number = {S2}, year = {2021}, doi = {10.5802/crphys.88}, language = {en}, }