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Infrared Triangles Everywhere

Frieswijk, Kathinka (2018) Infrared Triangles Everywhere. Master's Thesis / Essay, Physics.

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This thesis gives a comprehensive review of the recently discovered infrared triangular equivalence relation between the topics of asymptotic symmetries, soft theorems and memory effect, in the context of massless QED and gravity, with applications to black holes. The Ward identity associated with the asymptotic symmetries is shown to be equal to the soft theorem. Furthermore, we discover that the asymptotic symmetries spontaneously break at the vacuum. For gravity, the asymptotic symmetry group is given by BMS supertranslations. We show that supertranslating Schwarzschild geometry yields a black hole with a lush head of infinite supertranslation 'hair'.

Item Type: Thesis (Master's Thesis / Essay)
Supervisor name: Roest, D.
Degree programme: Physics
Thesis type: Master's Thesis / Essay
Language: English
Date Deposited: 28 Sep 2018
Last Modified: 08 Oct 2018 12:55

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