Limitations of an Effective Field Theory Treatment of Early Universe Cosmology

TL;DR

This paper discusses the fundamental limitations of using effective field theory to model the early universe within the context of superstring theory, highlighting potential issues in its applicability.

Contribution

It identifies key constraints on effective field theory methods when applied to early universe cosmology under superstring theory assumptions.

Findings

Effective field theory may not fully capture early universe phenomena.

Limitations challenge the use of EFT in superstring-based cosmological models.

Highlights need for alternative approaches in early universe modeling.

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.