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dc.contributor.authorGuevara, Alfredo 13:42:53 (GMT) 13:42:53 (GMT)
dc.description.abstractThis thesis is devoted to diverse aspects of scattering amplitudes in gauge theory and gravity including interactions with matter particles. In Part I we focus on the applications of massive scattering amplitudes in gravity to the Black Hole two-body problem. For this we construct a classical limit putting especial emphasis on the multipole expansion of certain massive amplitudes, which we will use to model spinning black holes in a large distance effective regime or particle approximation. In Part II we study scattering amplitudes in six dimensions, and construct a compact formula analogous to the four-dimensional Witten-RSV/rational maps formulation. This provides a supersymmetric extension of moduli space localization formulae such as the CHY integral. We explore the cases of Super Yang-Mills and Maximal Supergravity theories, among others.en
dc.publisherUniversity of Waterlooen
dc.titleThe S-Matrix of Gauge and Gravity Theories and The Two-Black Hole Problemen
dc.typeDoctoral Thesisen
dc.pendingfalse and Astronomyen of Waterlooen
uws-etd.degreeDoctor of Philosophyen
uws.contributor.advisorCachazo, Freddy
uws.contributor.affiliation1Faculty of Scienceen

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