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Friday, March 9, 2018

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"The collisionless life of our Universe"

"The collisionless life of our Universe"

Fri, 03/09/2018 - 11:00am
Pupin Hall Theory Center, 8th floor

Lorenzo Sironi

Department of Astronomy, Columbia University

"The collisionless life of our Universe"

Lorenzo's research is in theoretical high-energy astrophysics. Lorenzo investigate the origin of non-thermal emission from Pulsar Wind Nebulae (PWNe), AGN jets, gamma-ray bursts (GRBs), supernovae, galaxy clusters, and low-luminosity accretion flows like Sgr A* at the center of our Galaxy.

It is still a mystery how these objects can accelerate particles up to the highly non-thermal energies required to explain the observed spectra, that typically extend from the radio up to the gamma-ray band.

By means of ab initio large-scale plasma simulations, Lorenzo investigate particle acceleration in shocks and magnetic reconnection from first principles, with the aim of using the simulations to interpret the observations, and ultimately unveil the nature of astrophysical non-thermal sources.

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03/09/2018 - 11:00am
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