On the Trans-Planckian Censorship Conjecture and the Generalized Non-Minimal Coupling

Abstract

We investigate the Trans-Planckian Censorship Conjecture (TCC) and the arising bounds on the inflationary cosmology caused by that conjecture. In that investigation, we analyze TCC bounds for both Jordan and Einstein frames in the presence of a generic non-minimal coupling (to gravity) term. That term allows us to use the functional freedom it brings to the inflationary Lagrangian as an effective Planck mass. In this sense, we argue one should consider the initial field value of the effective Planck mass for the TCC. We show that as a result, one can remove the TCC upper bounds without the need to produce a new process or go beyond the standard inflation mechanism, with the generalized non-minimal coupling, and for Higgs-like symmetry-breaking potentials.

arXiv commentv2., references and clarifications added, version appeared in JCAP, 18 pages

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• Weak Cosmic Censorship and Weak Gravity Conjectures in CFT Thermodynamics
• Lorentz violating inflation and the Swampland
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• Supersymmetric Horizons at the Edge of Effective Field Theory