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(Seminar) Rotating black holes as spinning particles
2019-07-30  【 】【打印】【關閉

CAS Key Laboratory of Theoretical Physics

Institute of Theoretical Physics

Chinese Academy of Sciences

Seminar

Title

題目

Rotating black holes as spinning particles

Speaker

報告人

Yu-tin Huang

Affiliation

所在單位

NTU

Date

日期

2019年7月30日(星期二)下午 2:00

Venue

地點

ITP South Building 6620

Abstract

摘要

The lore of no hair theorem states that a (rotating) black hole is characterized by its (spin) mass only, meaning that asymptotically it is point-particle like. We consider the general coupling of a point particle to gravitational fields by studying the fundamental three-point amplitude of massive states and a graviton. Amongst these coupling, we ask what feature single out black holes. Remarkably, the answer is simply ``minimal coupling". We demonstrate how this identification by matching the potential induced by minimally coupled particles and binary blackholes. Furthermore, the simple relation between minimally coupled scalar and spinning particles can be shown to be the "root" of the mysterious observation of Newman and Janis, where they show that a complex deformation of the Schwarzschild solution leads to the Kerr solution.

Contact Person

所內聯系人

何頌

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