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Neutron-star mergers and numerical relativity

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If you have a question about this talk, please contact Francesca Chadha-Day.

Merger of neutron-star binaries (neutron star-neutron star or black hole-neutron star binaries) is one of the promising sources of gravitational waves, and a source of high-energy phenomena like gamma-ray bursts and kilonovae. The first direct detection of gravitational waves and electromagnetic counterparts from a binary neutron star merger (GW170817) show this fact. In this talk, I will first give a broad review for the observational results of GW170817 and summarize the theoretical prediction of neutron-star mergers based on numerical simulation in general relativity (numerical relativity). Then, I will show that the observational results of the kilonova (observational results of the optical and infrared band) are well interpreted by the numerical relativity results.

This talk is part of the Theoretical Physics Colloquium series.

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