Toward inferring the equation of state from gravitational-wave astronomy

The property of supranuclear-density matter is an important question to be answered in QCD. One promising avenue is to study neutron stars with astronomical observations. For this purpose, gravitational waves have become an important tool after GW170817 that delivered information about the matter at a few times the saturation density. If future detectors improve the sensitivity at high frequency, we may be able to investigate the phase structure at further higher density via observations of postmerger gravitational waves or the absence thereof. In this talk, I will review the current understanding of the neutron-star equation of state and then discuss possible future directions based on our binary merger simulation.

This seminar is a part of UKAKUREN seminar and jointly held by GW-EOS WG in iTHEMS.