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HEP Seminar: Multimessenger astrophysics with numerical relativity

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David Radice, Princeton University
21 February 2018 from 2:00 PM to 3:00 PM
339 Davey Laboratory
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How are neutron stars formed, and what is inside them? What is the engine powering short gamma-ray bursts? What is the astrophysical site of production of heavy elements? Multimessenger observations of compact binary coalescence and core-collapse supernovae might provide us with the key to answer these and other important open questions in theoretical astrophysics. However, multimessenger astronomy also poses new challenges to the theorists who need to develop models for the joint interpretation of all data channels. In this talk, I will present recent theoretical results. I will review the landmark multimessenger observation of merging neutron stars, and I will discuss its interpretation and implication in the light of results from first-principles simulations. Finally, I will discuss future challenges and prospective for this nascent field.