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SYGR: Symposium Gravitation – neueste Ergebnisse und Trends

SYGR 1: Symposium Gravitation - neueste Ergebnisse und Trends

SYGR 1.2: Hauptvortrag

Dienstag, 20. März 2018, 14:30–15:00, Z6 - HS 0.004

Binary neutron stars: Einstein's richest laboratory — •Luciano Rezzolla — Theoretische Astrophysik, Goethe Universität Frankfurt

I will argue that if black holes represent one the most fascinating implications of Einstein's theory of gravity, neutron stars in binary system are arguably its richest laboratory, where gravity blends with astrophysics and particle physics. I will discuss the rapid recent progress made in modelling these systems and show how the inspiral and merger of a binary system of neutron stars is more than a strong source of gravitational waves. Indeed, while the gravitational signal can provide tight constraints on the equation of state for matter at nuclear densities, the formation of a black-hole--torus system can explain much of the phenomenology of short gamma-ray bursts, while the the ejection of matter during the merger can shed light on the chemical enrichment of the universe.