Classicality of the primordial perturbations
Astrophysics
2008-11-26 v3
Abstract
We show that during inflation, a quantum fluctuation becomes classical at all orders if it becomes classical at first order. Implications are discussed.
Cite
@article{arxiv.astro-ph/0607647,
title = {Classicality of the primordial perturbations},
author = {David H. Lyth and David Seery},
journal= {arXiv preprint arXiv:astro-ph/0607647},
year = {2008}
}
Comments
4 pages, uses RevTeX4 LaTeX document class. v2: More details of the classicality argument, and an improved discussion of its implications. v3: matches version published in PLB