Interacting dark energy: possible explanation for 21-cm absorption at cosmic dawn
Abstract
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.
- Authors:
-
- Univ. de Sao Paulo, Sao Paulo (Brazil)
- Univ. de Sao Paulo, Sao Paulo (Brazil); SLAC National Accelerator Lab., Menlo Park, CA (United States)
- YangZhou Univ., Yangzhou (China)
- Publication Date:
- Research Org.:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1475481
- Report Number(s):
- SLAC-PUB-17304
Journal ID: ISSN 1434-6044; PII: 6237
- Grant/Contract Number:
- AC02-76SF00515; 150254/2017-2; 208206/2017-5; 013/26496-2
- Resource Type:
- Accepted Manuscript
- Journal Name:
- European Physical Journal. C, Particles and Fields
- Additional Journal Information:
- Journal Volume: 78; Journal Issue: 9; Journal ID: ISSN 1434-6044
- Publisher:
- Springer
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Costa, André A., Landim, Ricardo C. G., Wang, Bin, and Abdalla, Elcio. Interacting dark energy: possible explanation for 21-cm absorption at cosmic dawn. United States: N. p., 2018.
Web. doi:10.1140/epjc/s10052-018-6237-7.
Costa, André A., Landim, Ricardo C. G., Wang, Bin, & Abdalla, Elcio. Interacting dark energy: possible explanation for 21-cm absorption at cosmic dawn. United States. https://doi.org/10.1140/epjc/s10052-018-6237-7
Costa, André A., Landim, Ricardo C. G., Wang, Bin, and Abdalla, Elcio. Tue .
"Interacting dark energy: possible explanation for 21-cm absorption at cosmic dawn". United States. https://doi.org/10.1140/epjc/s10052-018-6237-7. https://www.osti.gov/servlets/purl/1475481.
@article{osti_1475481,
title = {Interacting dark energy: possible explanation for 21-cm absorption at cosmic dawn},
author = {Costa, André A. and Landim, Ricardo C. G. and Wang, Bin and Abdalla, Elcio},
abstractNote = {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.},
doi = {10.1140/epjc/s10052-018-6237-7},
journal = {European Physical Journal. C, Particles and Fields},
number = 9,
volume = 78,
place = {United States},
year = {Tue Sep 18 00:00:00 EDT 2018},
month = {Tue Sep 18 00:00:00 EDT 2018}
}
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