Unpacking Gravitational Waves Physics Matters 2018 – Ben Dringoli
Table of Contents Then and Now Beginnings Theories Experiments Interferometers The Discovery Post-Discovery
03
Introduction: Then and Now
10 -5 1915-1918 05
10 -21 2016 06
Beginnings: Theories
Poincare 10 -5 1905 08
“Dear Sir, We (Mr. Rosen and I) had sent you our manuscript for publication and had not authorized you to show it to specialists before it is printed. I see no reason to address the — in any case erroneous — comments of your anonymous expert. On the basis of this incident I prefer to publish the paper elsewhere .” 1936 09
“ I was surprised to find that a whole day of the conference was spent on this issue and that ‘experts’ were confused. That’s what happens when one is considering energy conservation tensors, etc. instead of questioning, can waves do work ?” – Richard Feynmann 1957 10
Beginnings: Experiments
1958- 1960’s 12
10 -16 1969 13
10 -16 1970-1975 14
Interferometers
10 -14 1962- 1970’s 16
17
18
1968- 1970’s 19
1975- 1990’s 20
1996 21
The Discovery
~10 -18 2002-2010 23
10 -23 2015 24
24
10 -23 2015-2018 26
The World Post-Gravitational Waves
2016-20?? 28
“What is now proved was once only imagin’d” -William Blake 29
References and Further Reading Photo Credits: Additional Resources: LIGO CalTech INSPIRE VIRGO Wikipedia Wikipedia Tom Mahood J.F. Langhans (great for general concepts and definitions) Markus Hanke Competitive Exam LIGO Official Site: www.ligo.caltech.edu Wolfram LLC Pearson LLC (stay up to date on new events!) Jody Muelaner TIME arXiv: arxiv.org Brittanica Paige Jarreau (open-access portal for journal/review articles) Christopher Berry Nature: nature.com ETH-Bibliothek Zürich, Bildarchiv (often has good news & views summaries of fields) Idaho Regional Optical Network Simulating eXtreme Spacetimes Thank You! Questions?
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