Inflation on a Non-Commutative Space-Time
High Energy Physics - Theory
2015-06-15 v1 Cosmology and Nongalactic Astrophysics
General Relativity and Quantum Cosmology
Abstract
We study inflation on a non-commutative space-time within the framework of enveloping algebra approach which allows for a consistent formulation of general relativity and of the standard model of particle physics. We show that within this framework, the effects of the non-commutativity of spacetime are very subtle. The dominant effect comes from contributions to the process of structure formation. We describe the bound relevant to this class of non-commutative theories and derive the tightest bound to date of the value of the non-commutative scale within this framework. Assuming that inflation took place, we get a model independent bound on the scale of space-time non-commutativity of the order of 19 TeV.
Cite
@article{arxiv.1506.04049,
title = {Inflation on a Non-Commutative Space-Time},
author = {Xavier Calmet and Christopher Fritz},
journal= {arXiv preprint arXiv:1506.04049},
year = {2015}
}