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The physics of the dark sector has remained one of the controversial areas of modern cosmology at present and hence it naturally attracts massive attention to the scientific community. With the developments of the astronomical data, the…

Cosmology and Nongalactic Astrophysics · Physics 2020-06-03 Weiqiang Yang , Supriya Pan , Eleonora Di Valentino , Bin Wang , Anzhong Wang

We investigated a possible interaction between cold dark matter and dark energy, corresponding to a well-known interacting dark energy model discussed in the literature within the context of resolving the Hubble tension. We put constraints…

Cosmology and Nongalactic Astrophysics · Physics 2024-08-21 David Benisty , Supriya Pan , Denitsa Staicova , Eleonora Di Valentino , Rafael C. Nunes

The result presented by the BOSS-SDSS Collaboration measuring the baryon acoustic oscillations of the Lyman-$\alpha$ forest from high-redshift quasars indicates a $2.5\sigma$ departure from the standard $\Lambda$-cold-dark-matter model.…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-24 Elisa G. M. Ferreira , Jerome Quintin , André A. Costa , E. Abdalla , Bin Wang

We investigate the model where electrons and dark matter interact with dark energy through the rolling of a scalar field which comes from extra dimensional theories such as the braneworld theory and Brans-Dicke theory. In this model, dark…

Cosmology and Nongalactic Astrophysics · Physics 2023-05-01 Kouki Hoshiya , Yo Toda

Neutrino interactions beyond the Standard Model (BSM) are theoretically well motivated and have an important impact on the future precision measurement of neutrino oscillation. In this work, we study the sensitivity of a multi-ton-scale…

High Energy Physics - Phenomenology · Physics 2019-08-05 Jonathan M. Link , Xun-Jie Xu

The $\Lambda$CDM model has successfully explained a wide range of cosmological observations, but is increasingly challenged by the emergence of cosmological tensions, particularly the Hubble Tension $H_0$ and the $S_8$ tension. The Hubble…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-25 Miguel A. Sabogal , Emanuelly Silva , Rafael C. Nunes , Suresh Kumar , Eleonora Di Valentino

We present the first joint gravitational-wave cosmological inference with LISA extreme mass-ratio inspirals at $z\lesssim1$ (galaxy redshifts) and massive black hole binaries at $z\gtrsim1$ (electromagnetic counterparts). Combining these…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-26 Danny Laghi , Nicola Tamanini , Alberto Sesana , Jonathan Gair , Enrico Barausse , Chiara Caprini , Walter Del Pozzo , Alberto Mangiagli , Sylvain Marsat

Cosmological observations can be used to weigh neutrinos, but this method is model-dependent, with results relying on the cosmological model considered. If we consider interactions between dark energy and dark matter, the neutrino mass…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-25 Lu Feng , Tao Han , Jing-Fei Zhang , Xin Zhang

We place observational constraints on a coupling between dark energy and dark matter by using 71 Type Ia supernovae (SNe Ia) from the first year of the five-year Supernova Legacy Survey (SNLS), the cosmic microwave background (CMB) shift…

Astrophysics · Physics 2010-04-28 Zong-Kuan Guo , Nobuyoshi Ohta , Shinji Tsujikawa

In this paper, we combine the the latest observational data, including the WMAP five-year data (WMAP5), the baryon acoustic oscillations (BAO) and type Ia supernovae (SN) "union" compilation, and use the Markov Chain Monte Carlo method to…

Cosmology and Nongalactic Astrophysics · Physics 2010-05-11 Hong Li , Jun-Qing Xia

We investigate the observational constraints on the interacting holographic dark energy model. We consider five typical interacting models with the interaction terms $Q=3\beta H\rho_{\rm{de}}$, $Q=3\beta H\rho_{\rm{c}}$, $Q=3\beta…

Cosmology and Nongalactic Astrophysics · Physics 2016-09-01 Lu Feng , Xin Zhang

In this paper we use the recently released Type Ia Supernova (SNIa) data to constrain the interactions between the neutrinos and the dark energy scalar fields. In the analysis we take the dark energy scalars to be either Quintessence-like…

Astrophysics · Physics 2009-11-13 Hong Li , Bo Feng , Jun-Qing Xia , Xinmin Zhang

The coupled dark energy model provides a possible approach to mitigate the coincidence problem of cosmological standard model. Here, the coupling term is assumed as $\bar{Q}=3H\xi_x\bar{\rho}_x$, which is related to the interaction rate and…

Cosmology and Nongalactic Astrophysics · Physics 2016-10-11 Weiqiang Yang , Hang Li , Yabo Wu , Jianbo Lu

We study how future Type-Ia supernovae (SNIa) standard candles detected by the Vera C. Rubin Observatory (LSST) can constrain some cosmological models. We use a realistic three-year SNIa simulated dataset generated by the LSST Dark Energy…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-25 Rahul Shah , Ayan Mitra , Purba Mukherjee , Barun Pal , Supratik Pal

In this paper, we compare some popular dark energy models under the assumption of a flat universe by using the latest observational data including the type Ia supernovae Constitution compilation, the baryon acoustic oscillation measurement…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-13 Miao Li , Xiao-Dong Li , Xin Zhang

Dark matter-baryon interactions can cool the baryonic fluid, which has been shown to modify the cosmological 21-cm global signal. We show that in a two-component dark sector with an interacting millicharged component, dark matter-baryon…

High Energy Physics - Phenomenology · Physics 2022-12-19 Rennan Barkana , Anastasia Fialkov , Hongwan Liu , Nadav Joseph Outmezguine

With the detection of gravitational wave (GW) GW170817 and its associated electromagnetic (EM) counterparts from a binary neutron star (NS) merger, the "standard siren" method for Hubble-constant measurements is expected to play a role in…

High Energy Astrophysical Phenomena · Physics 2020-04-21 Zoheyr Doctor

We reconstruct dark energy properties from two complementary supernova datasets -- the newly released Gold+HST sample and SNLS. The results obtained are consistent with standard $\Lambda$CDM model within $2\sigma$ error bars although the…

Astrophysics · Physics 2010-10-27 Ujjaini Alam , Varun Sahni , Alexei A. Starobinsky

We explore the constraints on cosmological parameters in interacting dark energy (IDE) models described by energy transfer rates $Q = \beta H \rho_{\rm de}$ and $Q = \beta H \rho_{\rm c}$, using simulated gravitational-wave (GW) bright…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-09 Bo Wang , Dong-Ze He , Ling-Feng Wang , Hai-Li Li , Yi Zhang

A cosmological model with an energy transfer between dark matter (DM) and dark energy (DE) can give rise to comparable energy densities at the present epoch. The present work deals with the perturbation analysis, parameter estimation and…

Cosmology and Nongalactic Astrophysics · Physics 2021-07-02 Srijita Sinha
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