Abstract
In this paper, we use large scale structure observations to test the redshift dependence of cosmic distance duality relation (CDDR), D_mathrm{L}(1+z)^{-2}/D_mathrm{A}=eta (z), with D_mathrm{L} and D_mathrm{A}, 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 eta (z) parametrizations, It is observed that the CDDR remain redshift independent within 1.5sigma 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.
Highlights
In the last decade, different methods have been proposed to test the validity of the cosmic distance duality relation (CDDR) due to the improvement in the quantity and the quality of astronomical data
We show that strong lensing systems and galaxy cluster observations can be used to study the redshift dependence of the CDDR and such constraints are competitive with those ones obtained from other cosmological observations
We consider a subsample (101 points) from a specific catalog containing 158 confirmed sources of strong gravitational lensing [41]. This complete compilation includes 118 SGL systems identical to the compilation of [45] which are obtained from SLOAN Lens ACS, BOSS Emission-line Lens Survey (BELLS) and Strong Legacy Survey SL2S along with 40 new systems recently discovered by SLACS and pre-selected by [47]
Summary
Different methods have been proposed to test the validity of the CDDR due to the improvement in the quantity and the quality of astronomical data. These methods can be divided in two classes: cosmological modeldependent tests based on the cold dark matter ( CDM) framework We show that strong lensing systems and galaxy cluster observations (gas mass fraction) can be used to study the redshift dependence of the CDDR and such constraints are competitive with those ones obtained from other cosmological observations. The galaxy clusters observations correspond to 40 gas mass fraction from the Ref. The main results of the statistical analysis are highlighted in the Sect. 5 and in the Sect. 5, we describe the main conclusions of this work
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
