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With the detection of gravitational waves (GW) in recent years, many papers that use simulated GW datasets to constrain dark energy models have been published. However, these works generally consider GW generated by massive astrophysical…

General Relativity and Quantum Cosmology · Physics 2025-02-25 Sandro M. R. Micheletti

In this paper, we introduce a new interacting mechanism within the dark sector, encompassing both dark energy and dark matter, while grounding our analysis in the familiar framework of the $\mathrm{\Lambda CDM}$ model augmented by baryons…

General Relativity and Quantum Cosmology · Physics 2025-08-13 Martín G. Richarte , Luiz F. Guimarães , Susana J. Landau , Júlio C. Fabris

Recent observations from type Ia Supernovae and from cosmic microwave background (CMB) anisotropies have revealed that most of the matter of the Universe interacts in a repulsive manner, composing the so-called dark energy constituent of…

General Relativity and Quantum Cosmology · Physics 2009-11-11 M. S. Santos , S. V. B. Gonçalves , J. C. Fabris , E. M. de Gouveia Dal Pino

Interacting dark energy models may play a crucial role in explaining several important observational issues in modern cosmology and also may provide a solution to current cosmological tensions. Since the phenomenology of the dark sector…

Cosmology and Nongalactic Astrophysics · Physics 2023-12-06 Weiqiang Yang , Supriya Pan , Olga Mena , Eleonora Di Valentino

We have probed the capability of third-generation Gravitational Waves (GW) interferometers, such as the Einstein Telescope and Cosmic Explorer, to constrain a cosmological model with an interacting dark sector. We focused on GW events with…

General Relativity and Quantum Cosmology · Physics 2024-10-25 Matteo Califano , Ivan De Martino , Ruth Lazkoz

The detection of gravitational waves (GW) by the LIGO and Virgo collaborations offers a whole new range of possible tests and opens up a new window which may shed light on the nature of dark energy and dark matter. In the present work we…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-28 Minghui Du , Weiqiang Yang , Lixin Xu , Supriya Pan , David F. Mota

We consider two stable Interacting Dark Matter -- Dark Energy models and confront them against current Cosmic Microwave Background data from the \textit{Planck} satellite. We then generate luminosity distance measurements from ${\cal…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-14 Weiqiang Yang , Sunny Vagnozzi , Eleonora Di Valentino , Rafael C. Nunes , Supriya Pan , David F. Mota

The {\Lambda}CDM model has long served as a robust and predictive framework for cosmology, successfully explaining a wide range of observations, including the accelerated expansion of the Universe. However, discrepancies in cosmological…

General Relativity and Quantum Cosmology · Physics 2025-04-11 Indranil Chakraborty , Susmita Jana , S. Shankaranarayanan

In this paper, we have studied an interacting dark energy model. We have assumed the gravitational interaction between the matter fields i.e. between barotropic fluid and the dark energy. The dark energy evolution within the framework of…

General Relativity and Quantum Cosmology · Physics 2023-04-03 Keshav Ram Mishra , Shibesh Kumar Jas Pacif , Rajesh Kumar , Kazuharu Bamba

The current observational tensions in the standard cosmological model have reinforced the research on dynamical dark energy, in particular on models with non-gravitational interaction between the dark components. Analyses of late-time…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-26 M. Benetti , P. T. Z. Seidel , C. Pigozzo , I. P. R. Baranov , S. Carneiro , J. C. Fabris

Models proposing a non-gravitational interaction between dark energy (DE) and dark matter (CDM) have been extensively studied as alternatives to the standard cosmological model. A common approach to describing the DE-CDM coupling assumes it…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-22 Jaelsson S. Lima , Rodrigo von Marttens , Luciano Casarini

After the first nearly simultaneous joint observations of gravitational-waves and electromagnetic emission produced by the coalescence of a binary neutron star system, another probe of the cosmic expansion which is independent from the…

Cosmology and Nongalactic Astrophysics · Physics 2019-01-29 Jurgen Mifsud , Carsten van de Bruck

We analyze a cosmological model featuring an interaction between dark energy and dark matter in light of the measurements of the Cosmic Microwave Background released by three independent experiments: the most recent data by the Planck…

Cosmology and Nongalactic Astrophysics · Physics 2023-07-13 Yuejia Zhai , William Giarè , Carsten van de Bruck , Eleonora Di Valentino , Olga Mena , Rafael C. Nunes

In this work we study a phenomenological non-gravitational interaction between dark matter and dark energy. The scenario studied in this work extends the usual interaction model proportional to the derivative of the dark component density…

Cosmology and Nongalactic Astrophysics · Physics 2018-08-14 Josue De-Santiago , Iván E. Sánchez G. , David Tamayo

The interaction between dark matter and dark energy can be incorporated into field theory models of dark energy that have proved successful in alleviating the coincidence problem. We review recent advances in this field, including new…

Cosmology and Nongalactic Astrophysics · Physics 2024-02-02 B Wang , E Abdalla , F Atrio-Barandela , D Pavón

We outline a gauge-invariant framework to calculate cosmological perturbations in dark energy models consisting of a scalar field interacting with dark matter via energy and momentum exchanges. Focusing on three well-known models of…

Cosmology and Nongalactic Astrophysics · Physics 2011-09-07 William J. Potter , Sirichai Chongchitnan

Gravitational waves (GW) are expected to interact with dark energy and dark matter, affecting their propagation on cosmological scales. In order to model this interaction, we derive a gauge invariant effective equation and action valid for…

Cosmology and Nongalactic Astrophysics · Physics 2024-03-29 Antonio Enea Romano

Models with non-gravitational interactions between the dark matter and dark energy components are an alternative to the standard cosmological scenario. These models are characterized by an interaction term, and a frequently used…

General Relativity and Quantum Cosmology · Physics 2020-12-07 R. von Marttens , H. A. Borges , S. Carneiro , J. S. Alcaniz , W. Zimdahl

In this study, we will look at an interacting dark energy model. In the framework of Friedmann-Robertson-Walker (FRW) space-time, we have made the hypothesis of an interacting scheme between two fields (dark matter (DM) and dark energy…

General Relativity and Quantum Cosmology · Physics 2023-11-27 J. K. Singh , Ritika Nagpal

Dark energy and dark matter are only indirectly measured via their gravitational effects. It is possible that there is an exchange of energy within the dark sector, and this offers an interesting alternative approach to the coincidence…

General Relativity and Quantum Cosmology · Physics 2009-03-24 Gabriela Caldera-Cabral , Roy Maartens , L. Arturo Urena-Lopez
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