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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…

宇宙学与河外天体物理 · 物理学 2024-02-02 B Wang , E Abdalla , F Atrio-Barandela , D Pavón

Results from the Wilkinson Microwave Anisotropy Probe (WMAP), Atacama Cosmology Telescope (ACT) and recently from the South Pole Telescope (SPT) have indicated the possible existence of an extra radiation component in addition to the well…

宇宙学与河外天体物理 · 物理学 2015-06-05 Ole Eggers Bjaelde , Subinoy Das , Adam Moss

We present updated constraints on an interacting dark energy - dark matter model with pure momentum transfer, where dark energy is in the form of a quintessence scalar field with an exponential potential. We run a suite of MCMC analyses…

宇宙学与河外天体物理 · 物理学 2026-02-09 Alkistis Pourtsidou

We propose further tests of the assumption that the mass of the heavy standard particles ($Z,W,t,...$) arises from a special coupling with dark matter. We look for effects of new interactions due to dark matter exchanges between heavy…

高能物理 - 唯象学 · 物理学 2018-02-01 Fernand M Renard

We consider two models of interacting dark energy, both of which interact only through momentum exchange. One is a phenomenological one-parameter extension to $w$CDM, and the other is a coupled quintessence model described by a Lagrangian…

宇宙学与河外天体物理 · 物理学 2022-09-07 Mark S. Linton , Robert Crittenden , Alkistis Pourtsidou

Based on Maxwellian quaternionic electromagnetic theory, the electromagnetic interaction, gravitational interaction and their coupling influence with the dark matter field in octonionic space are discussed. The research results disclose the…

经典物理 · 物理学 2009-10-28 Zihua Weng

Dark matter interactions with electrons or protons during the early Universe leave imprints on the cosmic microwave background and the matter power spectrum, and can be probed through cosmological and astrophysical observations. These…

宇宙学与河外天体物理 · 物理学 2022-04-06 Manuel A. Buen-Abad , Rouven Essig , David McKeen , Yi-Ming Zhong

In the context of thermodynamics we discuss the way inevitable emerge an interaction between dark components, and in this way, provide a mechanism to understand the limits of the LCDM model and the class of interaction models between dark…

宇宙学与河外天体物理 · 物理学 2019-05-22 Víctor H. Cárdenas , Daniela Grandón , Samuel Lepe

The description of dark matter as a pressure-less fluid and of dark energy as a cosmological constant, both minimally coupled to gravity, constitutes the basis of the concordance $\Lambda\text{CDM}$ model. However, the concordance model is…

宇宙学与河外天体物理 · 物理学 2024-09-27 Amin Aboubrahim , Pran Nath

Assuming that cosmological dark matter consists of weakly interacting massive particles, we use the recent precise measurement of cosmological parameters to predict the guaranteed rates of production of such particles in association with…

高能物理 - 唯象学 · 物理学 2009-10-09 Andreas Birkedal , Konstantin Matchev , Maxim Perelstein

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

We analyse dark matter in most general form of effective field theory approach. To examine the interactions between weakly interacting massive particles(WIMPs) and Standard Model (SM) particles, we use the six-dimensional EFT mediated by…

高能物理 - 唯象学 · 物理学 2023-05-05 Ayşe Elçiboğa Kuday , Ferhat Özok , Erdinç Ulaş Saka

We discuss the damping of primordial dark matter fluctuations, taking into account explicitly the interactions of dark matter - whatever their intensity - both with itself and with other particle species. Relying on a general classification…

天体物理学 · 物理学 2007-05-23 Celine Boehm , Pierre Fayet , Richard Schaeffer

It is generally assumed that the two dark components of the energy density of the universe, a smooth component called dark energy and a fluid of nonrelativistic weakly interacting particles called dark matter, are independent of each other…

天体物理学 · 物理学 2007-05-23 Mark B. Hoffman

The origin of the neutrino mass, dark matter (DM), and dark energy (DE) are among the most challenging problems of fundamental physics. We address these questions from analyses of the models where the neutrino mass is generated via Yukawa…

高能物理 - 唯象学 · 物理学 2012-01-23 Gennady Y. Chitov

In this article, we consider Dark Matter (DM) interactions and study the same in the light of the Cosmic Microwave Background Radiation (CMBR) data. In particular, we focus on the DM-electron interactions. Assuming that such interactions…

高能物理 - 唯象学 · 物理学 2025-08-27 Rahul Dhyani , Arnab Paul , Arindam Chatterjee

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…

广义相对论与量子宇宙学 · 物理学 2023-11-27 J. K. Singh , Ritika Nagpal

We investigate cosmological implications of an energy density contribution arising by elastic dark matter self-interactions. Its scaling behaviour shows that it can be the dominant energy contribution in the early universe. Constraints from…

宇宙学与河外天体物理 · 物理学 2011-04-06 Rainer Stiele , Tillmann Boeckel , Jurgen Schaffner-Bielich

Dark energy is frequently modelled as an additional dynamical scalar field component in the Universe, referred to as "quintessence", which drives the late-time acceleration. Furthermore, the quintessence field may be coupled to dark matter…

宇宙学与河外天体物理 · 物理学 2023-09-12 Daniela Palma , Graeme N. Candlish

A new scenario for creation of galactic magnetic fields is proposed which is operative at the cosmological epoch of the galaxy formation, and which relies on unconventional properties of dark matter. Namely, it requires existence of feeble…

宇宙学与河外天体物理 · 物理学 2013-12-09 Zurab Berezhiani , A. D. Dolgov , I. I. Tkachev