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Gravitational-Wave Observations of Neutron-Star Mergers - IPAM at UCLA

Institute for Pure & Applied Mathematics (IPAM) via YouTube

Overview

Explore the latest discoveries in gravitational-wave astronomy and their implications for understanding neutron stars and dense matter in this 41-minute lecture by Jocelyn Read from California State University, Fullerton. Delve into the groundbreaking observations made by LIGO, Virgo, and KAGRA, including the neutron-star/black-hole mergers GW200105 and GW20011, and the heavy neutron-star merger GW190425. Learn about methods used to investigate matter and mass properties of LIGO/Virgo neutron stars, and how these findings align with other neutron-star observations. Gain insights into the potential of current Advanced-detector era and future next-generation gravitational-wave observatories like Cosmic Explorer in mapping the phase diagram of dense neutron-rich matter and revealing the endpoints of stellar evolution. Discover how the distribution of masses in compact binary mergers is becoming a crucial observable in gravitational-wave astronomy and its implications for our understanding of the universe.

Syllabus

Introduction
What are neutronstars
Orbital dynamics
Gravitationalwave
Oversimplified picture
Deformations
Waveform models
Universal relations
Equivalent waveforms
Descriptive bottleneck
Properties of matter
Functional forms
Gravitationalwave data
Other observations
Representational challenges
Model comparison
Terrestrial experiments
Nuclear theory
Comparing observations
Future generation observatories
Other ways
Galactic neutronstars
New mass distribution
Missing something important
Next generation
Communication

Taught by

Institute for Pure & Applied Mathematics (IPAM)

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