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Binary Neutron Star Mergers - IPAM at UCLA

Institute for Pure & Applied Mathematics (IPAM) via YouTube

Overview

Explore the fascinating world of binary neutron star mergers in this 48-minute lecture by David Radice from Pennsylvania State University. Delve into the current theoretical understanding of neutron star merger dynamics and their multimessenger emissions. Examine recent simulation results and their implications for answering fundamental questions in theoretical astrophysics, such as the nature of neutron stars and the formation of r-process elements in the Universe. Learn about the merger process, including dynamical mass ejection, disk formation, and postmerger evolution. Discover how multimessenger observations can provide constraints on the equation of state and other key parameters. Investigate challenges in the field and future prospects, including computational advancements like GRAthena++. Gain insights into this cutting-edge research presented at IPAM's Workshop I: Computational Challenges in Multi-Messenger Astrophysics at UCLA.

Syllabus

Intro
Open questions
Whisky
Neutron star merger evolution
Merger phase
Dynamical mass ejection
Dynamical and secular ejecta
Disk formation II
Prompt collapse
Multimessenger PE
Equation of state constraints
Multimessenger constraints
Early postmerger evolution
Postmerger peak frequency
Postmerger amplitude
QCD phase transitions
Long-term evolution
Spiral-wave wind (1)
Spiral-wave wind (11)
Challenges
GRAthena++
Conclusions

Taught by

Institute for Pure & Applied Mathematics (IPAM)

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