Probing the interaction between dark matter and dark energy in the presence of massive neutrinos

By Suresh Kumar, Rafael C. Nunes. 2016

164 citations recorded by the source corpus.

We consider the possibility of an interaction in the dark sector in the presence of massive neutrinos, and study the observational constraints on three different scenarios of massive neutrinos using the most recent CMB anisotropy data in combination with type Ia supernovae, baryon acoustic oscillations, and Hubble parameter measurements. When a sterile neutrino is introduced in the interacting dark sector scenario in addition to the standard model prediction of neutrinos, we find that the coupling parameter, characterizing the interaction between dark matter and dark energy, is non-zero at 2$\sigma$ confidence level. The interaction model with sterile neutrino is also found to be a promising one to alleviate the current tension on Hubble constant. We do not find the evidence for a coupling in the dark sector when the possibility of a sterile neutrino is discarded.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/48fdbb889a54d2001611170a7364a09bf0d0ef4a

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Astronomy and Astrophysics

1. S. Vagnozzi
2. E. di Valentino
3. O. Mena
4. Tanvi Karwal
5. V. Poulin
6. A. Melchiorri
7. Tristan L. Smith
8. M. Kamionkowski

In Nuclear and High Energy Physics

1. S. Vagnozzi
2. E. di Valentino
3. O. Mena
4. Tanvi Karwal
5. V. Poulin
6. A. Melchiorri
7. Tristan L. Smith
8. Supriya Pan

Citations in the corpus

• Cosmology Intertwined II: The Hubble Constant Tension (2020, unknown): “[52] S.”
• New physics in light of the H0 tension: An alternative view (2019, background): “[60–209] for what is inevitably an incomplete list of works examining these possibilities.”
• Interacting dark energy with time varying equation of state and the H0 tension (2018, background): “Now, in compared to the coupling dynamics with constant dark energy equation of state [13, 22, 22, 39, 41], the same with dynamical equation of state has not been much explored except a few recent investigations [11, 33, 34, 35, 36, 37].”
• Nonminimal dark sector physics and cosmological tensions (2019, background): “[211] S.”
• Early Dark Energy can Resolve the Hubble Tension. (2018, background): “Possible latetime resolutions include a phantom-like dark energy (DE) component [13, 14], a vacuum phase transition [15–18], or interacting DE [19, 20].”
• Tale of stable interacting dark energy, observational signatures, and the H0 tension (2018, methodology): “More interestingly still, such an interaction between the dark components has been shown to be potentially able to reconcile some of the tentative tensions between high- and low-redshift cosmological observables [83, 86], such as the tension between cosmic microwave background (CMB) [87, 88] and loc”
• Interacting scenarios with dynamical dark energy: Observational constraints and alleviation of the H0 tension (2019, unknown): “[32] S.”
• Interacting dark energy in the early 2020s: A promising solution to the H0 and cosmic shear tensions (2019, unknown): “[240–259].”