A Simple, Exact Formulation of Number Counts in the Geodesic-Light-Cone Gauge

Giuseppe Fanizza; Maurizio Gasperini; Giovanni Marozzi

doi:10.3390/universe9070327

Universe (Jul 2023)

A Simple, Exact Formulation of Number Counts in the Geodesic-Light-Cone Gauge

Giuseppe Fanizza,
Maurizio Gasperini,
Giovanni Marozzi

Affiliations

Giuseppe Fanizza: Instituto de Astrofisíca e Ciências do Espaço, Faculdade de Ciências da Universidade de Lisboa, Edificio C8, Campo Grande, P-1740-016 Lisbon, Portugal
Maurizio Gasperini: Dipartimento di Fisica, Università di Bari, Via G. Amendola 173, 70126 Bari, Italy
Giovanni Marozzi: Dipartimento di Fisica, Università di Pisa, Largo B. Pontecorvo 3, 56127 Pisa, Italy

DOI: https://doi.org/10.3390/universe9070327
Journal volume & issue: Vol. 9, no. 7
p. 327

Abstract

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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.

Published in Universe

ISSN: 2218-1997 (Online)
Publisher: MDPI AG
Country of publisher: Switzerland
LCC subjects: Science: Physics: Nuclear and particle physics. Atomic energy. Radioactivity: Elementary particle physics
Website: http://www.mdpi.com/journal/universe

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