A note on inflation and transplanckian physics
High Energy Physics - Theory
2009-11-07 v3 Astrophysics
Abstract
In this paper we consider the influence of transplanckian physics on the CMBR anisotropies produced by inflation. We consider a simple toy model that allows for analytic calculations and argue on general grounds, based on ambiguities in the choice of vacuum, that effects are expected with a magnitude of the order of , where is the Hubble constant during inflation and the scale for new physics, e.g. the Planck scale.
Keywords
Cite
@article{arxiv.hep-th/0203198,
title = {A note on inflation and transplanckian physics},
author = {Ulf H. Danielsson},
journal= {arXiv preprint arXiv:hep-th/0203198},
year = {2009}
}
Comments
12 pages. v2: typos corrected and references added. v3: final version accepted for publication by PRD. Improved discussion of adiabatic vacuum