arXiv:2108.12743·v1·High Energy Physics — Theory
Limitations of an Effective Field Theory Treatment of Early Universe Cosmology
Robert Brandenberger (McGill University)🇨🇦
Abstract
Assuming that superstring theory is the fundamental theory which unifies all forces of Nature at the quantum level, I argue that there are key limitations on the applicability of effective field theory techniques in describing early universe cosmology.
Comments: 16 pages, 4 figures; invited review for the special issue "The future of mathematical cosmology" of Philosophical Transactions A