The origin of the cosmological constant in unimodular gravity

Autor: Enrique Álvarez, Jesús Anero, Irene Sánchez-Ruiz
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: European Physical Journal C: Particles and Fields, Vol 84, Iss 3, Pp 1-8 (2024)
Druh dokumentu: article
ISSN: 1434-6052
DOI: 10.1140/epjc/s10052-024-12651-7
Popis: Abstract It is well-known that in unimodular gravity (UG) the cosmological constant is not sourced by a constant energy density, but rather appears as some sort of integration constant. In this work we try to flesh this out by studying in some detail a couple of examples, one from cosmology and the other from gravitational collapse.
Databáze: Directory of Open Access Journals
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