Physics - Nuclear Physics Seminar

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Nuclear Physics Seminar - Jorge Noronha (UIUC) "Causal theories of fluid dynamics: from heavy-ion collisions to binary neutron star mergers"

Event Type
Seminar/Symposium
Sponsor
Physics Department
Location
464 Loomis
Date
Dec 9, 2024   1:00 pm  
Speaker
Jorge Noronha (UIUC)
Contact
Brandy Koebbe
E-Mail
bkoebbe@illinois.edu
Views
15

Heavy-ion collision experiments have provided evidence that quarks and gluons, the elementary particles within protons and neutrons, can flow as a nearly frictionless, strongly interacting relativistic liquid over distance scales not much larger than the size of a proton. On the other hand, with the dawn of the multi-messenger astronomy era marked by the detection of a binary neutron star merger, it became imperative to understand how extremely dense fluids behave under very strong gravitational fields. Therefore, cutting-edge experimental apparatus in modern science, such as the Relativistic Heavy Ion Collider (RHIC), the Large Hadron Collider (LHC), and the Laser Interferometer Gravitational-Wave Observatory (LIGO), are now taking data whose description requires pushing the boundaries of our current understanding of fluid dynamics. In this talk, I will discuss the new developments that have contributed to redefining the onset of relativistic fluid dynamics and its extension towards the far-from-equilibrium regime. New results will also be presented involving viscous fluids and their coupling to general relativity. These developments pave the way for including viscous effects in state-of-the-art neutron star merger simulations.

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