HEP Seminar: Fei Teng: “From Scattering Amplitudes to Classical Gravitational Systems"

In the past few years, scattering amplitudes have been proven to be a useful tool to compute observables in classical gravitational systems. In this talk, I will start with introducing relevant amplitude toolkits for solving a classical scattering problem, with emphases on classical effective theory and observable based methods. I will then show some novel results in effective interactions of generic binary system of spinning bodies and gravitational waveform from a scattering event, both of which derived from the amplitude perspective. I will end the talk by discussing several open problems in this line of research, like possible extension to bound systems.

Speaker: Dr. Fei Teng, Postdoctoral Scholar, Penn State 

Host: Alex Edison

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