Luca Orusa

Luca Orusa has postdoctoral position at Princeton University and at Columbia University in New York City. Luca received his Ph.D. in Physics in 2023 from the University of Torino in Italy where he obtained also his B.S. and M.S. Cum Laude.

Luca's research focuses on the lifecycle of cosmic rays, from their creation in astrophysical sources to their journey through the Galaxy. He uses kinetic plasma simulations to model particle acceleration at astrophysical shocks, like those of supernova remnants, and examines how cosmic rays affect transport in the vicinity of their sources. By combining these insights with phenomenological models of cosmic ray transport in the Galaxy, he generates observables that can be directly compared with cosmic ray data, with a particular focus on the positron flux. He is also interested in input from laboratory experiments, such as the study of collisionless shocks produced in laser plasma experiments and the analysis of production cross sections from accelerator experiments, which can improve the understanding of the origin of cosmic rays.