Bulletin of the American Physical Society
2021 Fall Meeting of the APS Division of Nuclear Physics
Volume 66, Number 8
Monday–Thursday, October 11–14, 2021; Virtual; Eastern Daylight Time
Session QA: Connecting Heavy-Ion Collisions to Neutron Star Mergers
11:30 AM–1:18 PM,
Thursday, October 14, 2021
Room: Ballroom B
Chair: Jorge Norohna, University of Illinois at Urbana-Champaign
Abstract: QA.00002 : Unraveling the Properties of Ultradense Matter with Neutron Star Merger Simulations
12:06 PM–12:42 PM
Presenter:
Elias R Most
(Princeton University)
Author:
Elias R Most
(Princeton University)
In this talk, I will review how the merger of two neutron stars can shed light on the behavior of nuclear matter at densities beyond saturation. Using state-of-the-art neutron star merger simulations, I will show how quark deconfinement can appear in the post-merger remnant, and what signatures this transition might leave in the gravitational wave signal.
More generally, such post-merger gravitational wave emission has been proposed as a future probe of the dense matter equation of state. As a particular example, I will show how the slope L of the nuclear symmetry energy can affect this emission and how it is imprinted in the post-merger dynamics.
As an outlook, I will conclude with an assessment of how viscosity could affect the collision and merger dynamics, akin to viscous effects in heavy-ion collisions.
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