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Spacetime and Physical Equivalence
Sebastian De Haro
In this essay I begin to lay out a conceptual scheme for: (i) analysing dualities as cases of theoretical equivalence; (ii) assessing when cases of theoretical equivalence are also…
Emergence in Holographic Scenarios for Gravity
Dennis Dieks, Jeroen van Dongen, Sebastian de Haro
'Holographic' relations between theories have become an important theme in quantum gravity research. These relations entail that a theory without gravity is equivalent to a gravita…
Instantons and Conformal Holography
Sebastian de Haro, Anastasios C. Petkou
We study a subsector of the AdS_4/CFT_3 correspondence where a class of solutions in the bulk and on the boundary can be explicitly compared. The bulk gravitational theory contains…
The Off-shell M5-brane and Non-Perturbative Gauge Theory
Jan de Boer, Sebastian de Haro
M5-branes wrapping a holomorphic curve in a Calabi-Yau manifold can be used to construct four-dimensional N=1 gauge theories. In this paper we will consider M5-brane configurations…
Quantum Gravity and the Holographic Principle
Sebastian de Haro
In this thesis we study two different approaches to holography, and comment on the possible relation between them. The first approach is an analysis of the high-energy regime of qu…
Boundary description of Planckian scattering in curved spacetimes
G. Arcioni, S. de Haro, M. O'Loughlin
We show that for an eikonal limit of gravity in a space-time of any dimension with a non-vanishing cosmological constant, the Einstein -- Hilbert action reduces to a boundary actio…
Holographic Reconstruction of Spacetime and Renormalization in the AdS/CFT Correspondence
Sebastian de Haro, Kostas Skenderis, Sergey N. Solodukhin
We develop a systematic method for renormalizing the AdS/CFT prescription for computing correlation functions. This involves regularizing the bulk on-shell supergravity action in a…