Trans-Planckian Censorship Conjecture and Early Universe Cosmology

Abstract

I review the "Trans-Planckian Censorship Conjecture" (TCC) and its implications for cosmology, in particular for the inflationary universe scenario. Whereas the inflationary scenario is tightly constrained by the TCC, alternative early universe scenarios are not restricted.

Comments: Invited short review for LHEP Special Issue: Swampland and String Theory Landscape. 9 pages, 3 figures. References added