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Lecture
Are you an EPFL student looking for a semester project?
Work with us on data science and visualisation projects, and deploy your project as an app on top of Graph Search.
This lecture discusses the relevance of gravitational physics in de Sitter space, focusing on the challenges of understanding quantum gravity in this context. It explores the difficulties in realizing de Sitter space in string theory and the open status of the 'dS/CFT dictionary'. The lecture delves into 3D gravity, Chern-Simons theory, and the application of these theories to de Sitter space. It also covers the coupling of matter in quantum gravity, the computation of Wilson loops, and the construction of Wilson spools. Furthermore, it addresses quantum gravity corrections, the renormalization of mass, and the interplay between quantum gravity and quantum matter in de Sitter space.