Regular Article - Theoretical Physics
A test of the standard dark matter density evolution law using galaxy clusters and cosmic chronometers
Department of Physics, Indian Institute of Technology, Hyderabad, 502285, Kandi, Telangana, India
2 Departamento de Física, Universidade Federal do Rio Grande do Norte, 59072-970, Natal, Rio Grande do Norte, Brazil
3 Departamento de Física, Universidade Federal de Campina Grande, 58429-900, Campina Grande, PB, Brazil
4 Departamento de Física, Universidade Federal de Sergipe, 49100-000, Aracaju, SE, Brazil
5 Departamento de Física, Faculdade de Engenharia de Guaratinguetá, Universidade Estadual Paulista (UNESP), 12516-410, Guaratinguetá, SP, Brazil
Accepted: 3 January 2022
Published online: 10 January 2022
In this paper, we implement a test of the standard law for the dark matter density evolution as a function of redshift. For this purpose, only a flat universe and the validity of the FRW metric are assumed. A deformed dark matter density evolution law is considered, given by , and constraints on are obtained by combining the galaxy cluster gas mass fractions with cosmic chronometers measurements. We find that within 2 c.l., in full agreement with other recent analyses.
© The Author(s) 2022
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