Title

Snowmass2021 - Letter of interest cosmology intertwined I: Perspectives for the next decade

Authors

Eleonora Di Valentino, The University of Manchester
Luis A. Anchordoqui, City University of New York
Özgür Akarsu, İstanbul Teknik Üniversitesi
Yacine Ali-Haimoud, New York University
Luca Amendola, Universität Heidelberg
Nikki Arendse, Niels Bohr Institute
Marika Asgari, The University of Edinburgh
Mario Ballardini, Alma Mater Studiorum Università di Bologna
Spyros Basilakos, National Observatory of Athens
Elia Battistelli, Sapienza Università di Roma
Micol Benetti, Università degli Studi di Napoli Federico II
Simon Birrer, Stanford University
François R. Bouchet, Sorbonne Universite
Marco Bruni, Institute of Cosmology and Gravitation
Erminia Calabrese, Cardiff University
David Camarena, Federal University of Espirito Santo
Salvatore Capozziello, Università degli Studi di Napoli Federico II
Angela Chen, University of Michigan, Ann Arbor
Jens Chluba, The University of Manchester
Anton Chudaykin, Institute for Nuclear Research
Eoin Colgáin, Asia Pacific Center for Theoretical Physics (APCTP)
Francis Yan Cyr-Racine, The University of New Mexico
Paolo de Bernardis, Sapienza Università di Roma
Javier de Cruz Pérez, Universitat de Barcelona
Jacques Delabrouille, IN2P3 Institut National de Physique Nucleaire et de Physique des Particules
Jo Dunkley, Princeton University
Celia Escamilla-Rivera, Universidad Nacional Autónoma de México
Agnès Ferté, Jet Propulsion Laboratory
Fabio Finelli, Istituto Nazionale di Fisica Nucleare, Sezione di Bologna
Wendy Freedman, The University of Chicago
Noemi Frusciante, Instituto de Astrofísica e Ciências do Espaço
Elena Giusarma, Michigan Technological UniversityFollow

Document Type

Article

Publication Date

9-2021

Department

Department of Physics

Abstract

The standard Λ Cold Dark Matter cosmological model provides an amazing description of a wide range of astrophysical and astronomical data. However, there are a few big open questions, that make the standard model look like a first-order approximation to a more realistic scenario that still needs to be fully understood. In this Letter of Interest we will list a few important goals that need to be addressed in the next decade, also taking into account the current discordances present between the different cosmological probes, as the Hubble constant H0 value, the σ8S8 tension, and the anomalies present in the Planck results. Finally, we will give an overview of upgraded experiments and next-generation space-missions and facilities on Earth that will be of crucial importance to address all these questions.

Publication Title

Astroparticle Physics

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