  The linear, gapless bandstructure of graphene provides ideal conditions for
Auger processes. They are of great importance for fundamental research and
technological applications, since they qualitatively change the carrier
dynamics. Time-, momentum-, and angle-resolved microscopic calculations reveal
an efficient impact excitation giving rise to a significant multiplication of
optically excited carriers and a remarkable Coulomb- induced carrier cooling
effect. We present an analytic expression for the carrier multiplication
predicting ideal conditions for its still missing experimental observation.
