Trans-Planckian footprints in inflationary cosmology
General Relativity and Quantum Cosmology
2015-06-25 v3 Astrophysics
High Energy Physics - Theory
Abstract
We consider a minimum uncertainty vacuum choice at a fixed energy scale Lambda as an effective description of trans-Planckian physics, and discuss its implications for the linear perturbations of a massless scalar field in power-law inflationary models. We find possible effects with a magnitude of order H/\Lambda in the power spectrum, in analogy with previous results for de-Sitter space-time.
Cite
@article{arxiv.gr-qc/0303035,
title = {Trans-Planckian footprints in inflationary cosmology},
author = {G. L. Alberghi and R. Casadio and A. Tronconi},
journal= {arXiv preprint arXiv:gr-qc/0303035},
year = {2015}
}
Comments
4 pages, 1 figure, final version to appear in Physics Letters B