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Cosmology and fundamental physics with the Euclid satellite

Amendola, Luca and Wang, Yun (2018) Cosmology and fundamental physics with the Euclid satellite. Living Reviews in Relativity, 21 (2). ISSN 1433-8351. doi:10.1007/s41114-017-0010-3.

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Euclid is a European Space Agency medium-class mission selected for launch in 2020 within the cosmic vision 2015–2025 program. The main goal of Euclid is to understand the origin of the accelerated expansion of the universe. Euclid will explore the expansion history of the universe and the evolution of cosmic structures by measuring shapes and red-shifts of galaxies as well as the distribution of clusters of galaxies over a large fraction of the sky. Although the main driver for Euclid is the nature of dark energy, Euclid science covers a vast range of topics, from cosmology to galaxy evolution to planetary research. In this review we focus on cosmology and fundamental physics, with a strong emphasis on science beyond the current standard models. We discuss five broad topics: dark energy and modified gravity, dark matter, initial conditions, basic assumptions and questions of methodology in the data analysis. This review has been planned and carried out within Euclid’s Theory Working Group and is meant to provide a guide to the scientific themes that will underlie the activity of the group during the preparation of the Euclid mission.

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Additional Information:© The Author(s) 2018. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Received: 3 November 2016; Accepted: 13 November 2017; First Online: 12 April 2018. It is a pleasure to thank the Euclid theory science working group, all science working group members, the Euclid Consortium Board and the whole Euclid consortium for fruitful discussions. We also kindly thank Rene Laureijs, Ana Heras, Philippe Gondoin, Ludovic Duvet and Marc Sauvage for their continuous work and support, and Thomas Buchert, Michele Maggiore and Philippe Brax for comments on the draft. Stefano Camera is supported by MIUR through Rita Levi Montalcini project ‘PROMETHEUS–Probing and Relating Observables with Multi-wavelength Experiments To Help Enlightening the Universe’s Structure’. Stefano Camera also acknowledges support from ERC Starting Grant No. 280127. Carlos J. Martins is supported by an FCT Research Professorship, contract reference IF/00064/2012, funded by FCT/MCTES (Portugal) and POPH/FSE (EC). Valeria Pettorino acknowledges the Transregio TRR33 Grant on ‘The Dark Universe’. Claudia de Rham is supported by a Department of Energy Grant DE-SC0009946. Valerio Marra is supported by the research agency CNPq. The work of I. Sawicki and C. Skordis is supported by ESIF and MEYS (Project CoGraDS—CZ.02.1.01/0.0/0.0/15_003/0000437). Marco Baldi acknowledges support from the Italian Ministry for Education, University and Research (MIUR) through the SIR individual grant SIMCODE, project number RBSI14P4IH. Domenico Sapone acknowledges financial support from the Fondecyt project number 11140496. Pedro G. Ferreira is supported by ERC Grant no 693024. David F. Mota is supported by the Research Council of Norway. Eric Linder is supported by NASA ROSES grant 12-EUCLID12-0004.
Group:Infrared Processing and Analysis Center (IPAC)
Funding AgencyGrant Number
Ministero dell'Istruzione, dell'Università e della Ricerca (MIUR)PROMETHEUS
European Research Council (ERC)280127
Fundação para a Ciência e a Tecnologia (FCT)IF/00064/2012
Deutsche Forschungsgemeinschaft (DFG)TRR33
Department of Energy (DOE)DE-SC0009946
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)UNSPECIFIED
European Structural and Investment Funds (ESIF)UNSPECIFIED
Ministero dell'Istruzione, dell'Università e della Ricerca (MIUR)RBSI14P4IH
Fondo Nacional de Desarrollo Científico y Tecnológico (FONDECYT)11140496
European Research Council (ERC)693024
Research Council of NorwayUNSPECIFIED
Subject Keywords:Dark energy; Cosmology; Galaxy evolution
Issue or Number:2
Record Number:CaltechAUTHORS:20180423-102926407
Persistent URL:
Official Citation:Amendola, L., Appleby, S., Avgoustidis, A. et al. Living Rev Relativ (2018) 21: 2.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:86008
Deposited By: Tony Diaz
Deposited On:25 Apr 2018 18:12
Last Modified:15 Nov 2021 20:34

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