Dynamical Evolution of Binaries in Star Clusters and Galaxies - Chris Hamilton
Offered By: Institute for Advanced Study via YouTube
Course Description
Overview
Explore the dynamical evolution of binary systems in star clusters and galaxies through this astrophysics seminar presented by Chris Hamilton from the Institute for Advanced Study. Delve into the complexities of orbital evolution in binary systems affected by external tidal forces, a fundamental problem in celestial mechanics. Discover recent advancements in the field, including the Lidov-Kozai theory, and examine various sources of tidal perturbations such as galactic gravitational fields, stochastic stellar encounters, and dark matter substructure. Learn about a general theory of tidally perturbed binaries and its applications to merging compact object binaries in stellar clusters. Gain insights into topics like the two-body and three-body problems, eccentricity, double black holes, and blue stragglers. Engage with a comprehensive discussion on the implications of this research for understanding exotic astrophysical phenomena, including LIGO/Virgo mergers of compact object binaries.
Syllabus
Intro
TwoBody Problem
ThreeBody Problem
Eccentricity
Motivation
Thesis
Worked example
What have we learned
Compact Object Binary Mergers
Double Black Holes
Blue Stragglers
Theta
Other examples
Summary
Discussion
Average over the outer orbit
Taught by
Institute for Advanced Study
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