I am a Postdoctoral researcher in the Institute for Theoretical Physics at the University of Heidelberg. I got my PhD from Radboud University, specializing in the field of Quantum Gravity.
Posts
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Where quantum gravity takes you…
To close the year, my collaborators (Juan Abranches and Reiko Toriumi)and I just posted our new manuscript “An equivalence in random matrix and tensor models via a dually weighted intermediate field representation“. The story of how we arrived here made me think of a question I’ve been asked for my whole career: what is quantum Read more
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Basics of Quantum Gravity is BACK!
I’m very happy to announce the second edition of Basics of Quantum Gravity. This is an online series of lectures on the key concepts and techniques involved in the research of Quantum Gravity. We started this series in 2023 and it was the first initiative of the Young Researchers activity group of the International Society Read more
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Holes in spacetime
Last week, I gave a talk at IHES, where I presented my work on criticality in random hyperbolic surfaces. Hyperbolic surfaces appear in JT gravity, a model of quantum gravity in two dimensions. The phenomenon of criticality arises in the well-known O(N) loop model for random planar maps. In this regime, macroscopic loop configurations dominate Read more
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Discrete vs continuum
Is it better to study an image pixel by pixel or by looking at the whole picture? We deal with this question in Quantum Gravity when we decide if discrete or continuous geometry approaches are more suitable (or even more fundamental) to study a determined problem. In our new paper, we reproduce the same computation Read more
Alicia Castro 