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Title: Interacting dark energy: possible explanation for 21-cm absorption at cosmic dawn

Journal Article · · European Physical Journal. C, Particles and Fields
 [1]; ORCiD logo [2];  [3];  [1]
  1. Univ. de Sao Paulo, Sao Paulo (Brazil)
  2. Univ. de Sao Paulo, Sao Paulo (Brazil); SLAC National Accelerator Lab., Menlo Park, CA (United States)
  3. YangZhou Univ., Yangzhou (China)

In this paper, a recent observation points to an excess in the expected 21-cm brightness temperature from cosmic dawn. In this paper, we present an alternative explanation of this phenomenon, an interaction in the dark sector. Interacting dark energy models have been extensively studied recently and there is a whole variety of such in the literature. Here we particularize to a specific model in order to make explicit the effect of an interaction.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515; 150254/2017-2; 208206/2017-5; 013/26496-2
OSTI ID:
1475481
Report Number(s):
SLAC-PUB-17304; PII: 6237
Journal Information:
European Physical Journal. C, Particles and Fields, Vol. 78, Issue 9; ISSN 1434-6044
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 42 works
Citation information provided by
Web of Science

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Effects of the interaction between dark energy and dark matter on cosmological parameters text January 2008
Observational constraints on an interacting dark energy model text January 2009
Indications of a late-time interaction in the dark sector text January 2014
Planck 2015 results. XIII. Cosmological parameters text January 2015
Constraints on the Coupling between Dark Energy and Dark Matter from CMB data text January 2016
Dark Matter and Dark Energy Interactions: Theoretical Challenges, Cosmological Implications and Observational Signatures text January 2016
Charting the Parameter Space of the Global 21-cm Signal text January 2016
Possible interaction between baryons and dark-matter particles revealed by the first stars text January 2018
21 Centimeter Fluctuations from Cosmic Gas at High Redshifts text January 2003
Coupled Quintessence text January 1999

Cited By (9)

Listening to the sound of dark sector interactions with gravitational wave standard sirens journal July 2019
Using kinetic theory to examine a self-gravitating system composed of baryons and cold dark matter journal June 2019
Cosmological perturbations and dynamical analysis for interacting quintessence journal November 2019
Neutrino Mass Ordering from Oscillations and Beyond: 2018 Status and Future Prospects journal October 2018
Constraining the Dark Matter Vacuum Energy Interaction Using the EDGES 21 cm Absorption Signal journal December 2018
Constraining Temporal Oscillations of Cosmological Parameters Using SNe Ia journal April 2019
Constraining the dark matter-vacuum energy interaction using the EDGES 21-cm absorption signal text January 2018
Non-minimal dark sector physics and cosmological tensions text January 2019
Using kinetic theory to examine a self-gravitating system composed of baryons and cold dark matter text January 2020

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