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相关论文: Forecasts on interacting dark energy with standard…

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We present a general model-independent approach to study the coupled dark energy and the string Swampland criteria. We show how the dark sector interaction is degenerated with the equation of state of dark energy in the context of the…

宇宙学与河外天体物理 · 物理学 2020-10-14 Tao Yang

We constrain an interacting, holographic dark energy model, first proposed by two of us in [1], with observational data from supernovae, CMB shift, baryon acoustic oscillations, x-rays, and the Hubble rate. The growth function for this…

宇宙学与河外天体物理 · 物理学 2014-11-21 Iván Durán , Diego Pavón , Winfried Zimdahl

We place observational constraints on two models within a class of scenarios featuring an elastic interaction between dark energy and dark matter that only produces momentum exchange up to first order in cosmological perturbations. The…

宇宙学与河外天体物理 · 物理学 2021-11-24 Jose Beltrán Jiménez , Dario Bettoni , David Figueruelo , Florencia Anabella Teppa Pannia , Shinji Tsujikawa

Neutral hydrogen (HI) intensity mapping is a promising technique to probe the large-scale structure of the Universe, improving our understanding on the late-time accelerated expansion. In this work, we first scrutinize how an alternative…

宇宙学与河外天体物理 · 物理学 2022-01-12 Linfeng Xiao , Andre A. Costa , Bin Wang

In this manuscript we reassess the potential of interacting dark matter-dark energy models in solving the Hubble constant tension. These models have been proposed but also questioned as possible solutions to the $H_0$ problem. Here we…

宇宙学与河外天体物理 · 物理学 2022-07-29 Stefano Gariazzo , Eleonora Di Valentino , Olga Mena , Rafael C. Nunes

Gravitational-wave standard sirens present a novel approach for the determination of the Hubble constant. After the recent spectacular confirmation of the method thanks to GW170817 and its optical counterpart, additional standard siren…

宇宙学与河外天体物理 · 物理学 2018-10-24 Eleonora Di Valentino , Daniel E. Holz , Alessandro Melchiorri , Fabrizio Renzi

In this paper, we investigate the observational constraints on the scenario of vacuum energy interacting with cold dark matter. We consider eight typical interaction forms in such an interacting vacuum energy scenario. The observational…

宇宙学与河外天体物理 · 物理学 2019-06-26 Hai-Li Li , Lu Feng , Jing-Fei Zhang , Xin Zhang

Recent results from Type Ia Supernovae (SNe), baryon acoustic oscillations (BAO), and the cosmic microwave background (CMB) indicate 1) potentially discrepant measurements of the matter density $\Omega_m$ and Hubble constant $ H_0 $ in…

宇宙学与河外天体物理 · 物理学 2025-03-25 Xianzhe TZ Tang , Dillon Brout , Tanvi Karwal , Chihway Chang , Vivian Miranda , Maria Vincenzi

In this work we investigate the possibility that dark matter and (massive) neutrinos can interact via a simple, constant cross section. Building on previous numerical efforts, we constrain this model with CMB, BAO and, in particular,…

宇宙学与河外天体物理 · 物理学 2022-05-18 Deanna C. Hooper , Matteo Lucca

Non-standard neutrino interactions (NSI) affect both their propagation through matter and their detection, with bounds on NSI parameters coming from various astrophysical and terrestrial neutrino experiments. In this paper, we show that NSI…

高能物理 - 唯象学 · 物理学 2017-08-31 Bhaskar Dutta , Shu Liao , Louis E. Strigari , Joel W. Walker

The paper deals with a theoretical model for interacting dark energy. The interaction between the cold dark matter (dust) and the dark energy has been assumed to be non-gravitational in nature. Exact analytic cosmological solutions are…

广义相对论与量子宇宙学 · 物理学 2015-07-31 Supriya Pan , Subhra Bhattacharya , Subenoy Chakraborty

Advancements in cosmology through next-generation ground-based gravitational wave observatories will bring in a paradigm shift. We explore the pivotal role that gravitational-wave standard sirens will play in inferring cosmological…

广义相对论与量子宇宙学 · 物理学 2024-07-17 Hsin-Yu Chen , Jose María Ezquiaga , Ish Gupta

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…

宇宙学与河外天体物理 · 物理学 2016-12-21 Suresh Kumar , Rafael C. Nunes

The first detection of a gravitational-wave signal of a coalescence of two black holes marked the beginning of the era of gravitational-wave astronomy, which opens exciting new possibilities in the fields of astronomy, astrophysics and…

广义相对论与量子宇宙学 · 物理学 2020-07-29 Stefan Grimm , Jan Harms

We extend the holographic Ricci dark energy model to include some direct, non-gravitational interaction between dark energy and dark matter. We consider three phenomenological forms for the interaction term $Q$ in the model, namely, $Q$ is…

宇宙学与河外天体物理 · 物理学 2012-04-10 Tian-Fu Fu , Jing-Fei Zhang , Jin-Qian Chen , Xin Zhang

Recent measurements of Baryon Acoustic Oscillations (BAO) from the Dark Energy Spectroscopic Survey (DESI DR2), combined with data from the cosmic microwave background (CMB) and Type Ia supernovae (SNe), challenge the $\Lambda$-Cold Dark…

宇宙学与河外天体物理 · 物理学 2025-06-16 Agripino Sousa-Neto , Carlos Bengaly , Javier E. Gonzalez , Jailson Alcaniz

The local measurement of $H_0$ is in tension with the prediction of $\Lambda$CDM model based on the Planck data. This tension may imply that dark energy is strengthened in the late-time Universe. We employ the latest cosmological…

宇宙学与河外天体物理 · 物理学 2016-10-25 Dong-Mei Xia , Sai Wang

We derive two field theory models of interacting dark energy, one in which dark energy is associated with the quintessence and another in which it is associated with the tachyon. In both, instead of choosing arbitrarily the potential of…

广义相对论与量子宇宙学 · 物理学 2020-07-10 Sandro M. R. Micheletti

In this paper, a holographic dark energy model, dubbed Ricci dark energy, is confronted with cosmological observational data from type Ia supernovae (SN Ia), baryon acoustic oscillations (BAO) and cosmic microwave background (CMB). By using…

天体物理学 · 物理学 2014-11-18 Lixin Xu , Wenbo Li , Jianbo Lu , Baorong Chang

The gravitational waves (GW) emitted during the coalescence of supermassive black holes (SMBHs) in the mass range 10^4-10^7 M_sun will be detectable out to high redshifts with LISA. We calculate the size and orientation of the…

天体物理学 · 物理学 2009-11-11 B. Kocsis , Z. Frei , Z. Haiman , K. Menou