Friday, January 23, 2026
11:00 AM -
12:00 PM
Online and In-Person Event
High Energy Theory Seminar
Large extra dimensions from higher-dimensional inflation
Ignatios Antoniadis,
LPTHE - Laboratoire de Physique Théorique et Hautes Énergies,
I argue on the possibility that compact extra dimensions obtain large size by higher dimensional inflation, relating the weakness of the actual gravitational force to the size of the observable universe. Although this can be realised for any number of extra dimensions, the requirement of (approximate) flat power spectrum of primordial density fluctuations consistent with present observations makes this simple proposal possible only for one extra dimension at around the micron scale.
The talk is in 469 Lauritsen.
Contact [email protected] for Zoom information.
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For more information, please visit http://www.theory.caltech.edu/seminars/high-energy-theory-seminars.
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