Regular Article - Theoretical Physics
Strong lensing systems and galaxy cluster observations as probe to the cosmic distance duality relation
Departamento de Física, Universidade Federal do Rio Grande do Norte, 59072-970, Natal, Rio Grande do Norte, Brazil
2 Departamento de Física, Universidade Federal de Campina Grande, 58429-900, Campina Grande, PB, Brazil
3 Departamento de Física, Universidade Federal de Sergipe, 49100-000, Aracaju, SE, Brazil
4 St. Stephen’s College, University of Delhi, 110007, Delhi, India
5 Deen Dayal Upadhyaya College, University of Delhi, 110078, New Delhi, India
Accepted: 19 January 2022
Published online: 5 February 2022
In this paper, we use large scale structure observations to test the redshift dependence of cosmic distance duality relation (CDDR), , with and , being the luminosity and angular diameter distances, respectively. In order to perform the test, the following data set are considered: strong lensing systems and galaxy cluster measurements (gas mass fractions). No specific cosmological model is adopted, only a flat universe is assumed. By considering two parametrizations, It is observed that the CDDR remain redshift independent within which is in full agreement with other recent tests involving cosmological data. It is worth to comment that our results are independent of the baryon budget of galaxy clusters.
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