Probing the dark matter density evolution law with large scale structures
European Physical Journal C, ISSN: 1434-6052, Vol: 81, Issue: 7
2021
- 5Citations
- 12Captures
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Article Description
We propose a new method to explore a possible departure from the standard time evolution law for the dark matter density. We looked for a violation of this law by using a deformed evolution law, given by ρ(z) ∝ (1 + z) , and then constrain ϵ. The dataset used for this purpose consists of Strong Gravitational Lensing data obtained from SLOAN Lens ACS, BOSS Emission-line Lens Survey, Strong Legacy Survey SL2S, and SLACS; along with galaxy cluster X-ray gas mass fraction measurements obtained using the Chandra Telescope. Our analyses show that ϵ is consistent with zero within 1 σ c.l., but the current dataset cannot rule out with high confidence level interacting models of dark matter and dark energy.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85109792872&origin=inward; http://dx.doi.org/10.1140/epjc/s10052-021-09421-0; https://link.springer.com/10.1140/epjc/s10052-021-09421-0; https://link.springer.com/content/pdf/10.1140/epjc/s10052-021-09421-0.pdf; https://link.springer.com/article/10.1140/epjc/s10052-021-09421-0/fulltext.html; https://dx.doi.org/10.1140/epjc/s10052-021-09421-0; https://link.springer.com/article/10.1140/epjc/s10052-021-09421-0
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