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Andreas Schachner (Munich U. and Cornell U.)
Monday 24 November 2025, 13:00-14:00
Towards a Universe from Strings: building bridges between geometry and the cosmos
- đ¤ Speaker: Andreas Schachner (Munich U. and Cornell U.)
- đ Date & Time: Monday 24 November 2025, 13:00 - 14:00
- đ Venue: CMS, Pav. B, CTC Common Room (B1.19) [Potter Room]
Abstract
String theory provides our most developed framework for unifying quantum mechanics and gravity, but connecting it to the physics of our Universe requires a detailed understanding of how ten-dimensional geometry gives rise to four-dimensional cosmology. In this talk, I will discuss recent progress toward this goal using a combination of new analytic techniques and large-scale computational tools. I will highlight our recent construction of explicit candidate de Sitter solutions, as well as new mechanisms for generating hierarchies of scales. I will further discuss how Bayesian methods let us map axion spectra across the string landscape and confront them with data from the CMB , and next-generation axion experiments.
Series This talk is part of the Cosmology Lunch series.
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