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Wednesday, May 27th, 2026
Physics Seminar: Raquel Izquierdo Garcia
Time: 2:00 PM - 3:00 PM
Location: 313
Title: Higher Dimensional Holography "
Abstract: The holographic dictionary is well developed for gravity in asymptotically anti de Sitter spacetimes. However, this approach is limited, since many physically relevant configurations, such as bubbling geometries dual to heavy operators, do not arise as an uplift of a lower dimensional asymptotically anti de Sitter solution. Instead, they are intrinsic solutions of ten- or eleven-dimensional supergravity. In this talk I will discuss an observable that is known exactly in field theory but not accessible with holographic methods, since its dual geometry does not lie within any consistent truncation. I will show how to compute the Euler conformal anomaly of 1/2-BPS surface operators in N=4 super Yang–Mills directly from the ten-dimensional type IIB supergravity on-shell action by adding a suitable nine-dimensional counterterm. This example illustrates the need for a higher-dimensional approach to holographic renormalization applicable to general asymptotically AdS_p x M_q geometries.This talk is based on https://arxiv.org/abs/2512.12696
Title: Higher Dimensional Holography "
Abstract: The holographic dictionary is well developed for gravity in asymptotically anti de Sitter spacetimes. However, this approach is limited, since many physically relevant configurations, such as bubbling geometries dual to heavy operators, do not arise as an uplift of a lower dimensional asymptotically anti de Sitter solution. Instead, they are intrinsic solutions of ten- or eleven-dimensional supergravity. In this talk I will discuss an observable that is known exactly in field theory but not accessible with holographic methods, since its dual geometry does not lie within any consistent truncation. I will show how to compute the Euler conformal anomaly of 1/2-BPS surface operators in N=4 super Yang–Mills directly from the ten-dimensional type IIB supergravity on-shell action by adding a suitable nine-dimensional counterterm. This example illustrates the need for a higher-dimensional approach to holographic renormalization applicable to general asymptotically AdS_p x M_q geometries.This talk is based on https://arxiv.org/abs/2512.12696