Non-Bunch-Davies Anisotropy
High Energy Physics - Theory
2015-06-16 v1 Cosmology and Nongalactic Astrophysics
General Relativity and Quantum Cosmology
High Energy Physics - Phenomenology
Abstract
We introduce a generic mechanism that can extend the effects of relic anisotropies at the beginning of inflation to relatively much shorter scales in density perturbations. This is induced by non-Bunch-Davies states of the quantum fluctuations, and can show up in the non-oscillatory components of the density perturbations. This mechanism works for general forms of anisotropies, and, to illustrate it, we use an example of relic vector field. The detailed scale-dependence of these anisotropies can be used to probe the initial quantum state of our universe.
Cite
@article{arxiv.1306.0609,
title = {Non-Bunch-Davies Anisotropy},
author = {Xingang Chen and Yi Wang},
journal= {arXiv preprint arXiv:1306.0609},
year = {2015}
}
Comments
10 pages