A Simple, Exact Formulation of Number Counts in the Geodesic-Light-Cone Gauge
High Energy Physics - Theory
2023-07-11 v1 Cosmology and Nongalactic Astrophysics
General Relativity and Quantum Cosmology
Abstract
In this article, we compare different formulations of the number count prescription using the convenient formalism of the Geodesic-Light-Cone gauge. We then find a simple, exact, and very general expression of such a prescription which is suitable for generalised applications.
Cite
@article{arxiv.2307.04565,
title = {A Simple, Exact Formulation of Number Counts in the Geodesic-Light-Cone Gauge},
author = {G. Fanizza and M. Gasperini and G. Marozzi},
journal= {arXiv preprint arXiv:2307.04565},
year = {2023}
}
Comments
7 pages, no figures. Published in the Special Issue on "Universe: Feature Papers 2023 -- Cosmology", edited by K. Bamba (Universe, MDPI, 2023). Available at: https://www.mdpi.com/2218-1997/9/7/327