New crisis and old mysteries: Resolving cosmic tensions to reveal the dark sector

Project Information

NewRecords

Grant agreement ID: 101076865

DOI

10.3030/101076865

EC signature date 7 December 2022

Start date 1 January 2023

End date 31 December 2027

Funded under

• European Research Council (ERC)

Total cost

€ 1 500 000,00

EU contribution

€ 1 500 000,00

Coordinated by

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS
France

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

Peer reviewed articles (15)

Probing dark relativistic species and their interactions with dark matter through CMB and 21 cm surveys

Author(s): Hugo Plombat, Théo Simon, Jordan Flitter, Vivian Poulin
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2025, 2025, ISSN 1475-7516
Publisher: IOP Publishing
DOI: 10.1088/1475-7516/2025/01/071

What It Takes to Solve the Hubble Tension through Modifications of Cosmological Recombination

Author(s): Nanoom Lee, Yacine Ali-Haïmoud, Nils Schöneberg, Vivian Poulin
Published in: Physical Review Letters, Issue 130, 2023, ISSN 0031-9007
Publisher: American Physical Society (APS)
DOI: 10.1103/physrevlett.130.161003

$5 \sigma$ tension between \textit{Planck} cosmic microwave background and eBOSS Lyman-alpha forest and constraints on physics beyond $\Lambda$CDM

Author(s): Keir K. Rogers and Vivian Poulin
Published in: American Physical Society, Issue 7, 2025, ISSN 2643-1564
Publisher: Physical Review Research
DOI: 10.1103/PhysRevResearch.7.L012018

Critical look at the cosmological neutrino mass bound

Author(s): Daniel Naredo-Tuero, Miguel Escudero, null Enrique Fernandez-Martinez, Xabier Marcano, Vivian Poulin
Published in: Physical Review D, Issue 110, 2024, ISSN 2470-0010
Publisher: American Physical Society (APS)
DOI: 10.1103/PhysRevD.110.123537

Is expansion blind to the spatial curvature?

Author(s): Quentin Vigneron, Vivian Poulin
Published in: Physical Review D, Issue 108, 2023, ISSN 2470-0010
Publisher: American Physical Society (APS)
DOI: 10.1103/PhysRevD.108.103518

The Ups and Downs of Early Dark Energy solutions to the Hubble tension: A review of models, hints and constraints circa 2023

Author(s): Vivian Poulin, Tristan L. Smith, Tanvi Karwal
Published in: Physics of the Dark Universe, Issue 42, 2023, ISSN 2212-6864
Publisher: Elsevier BV
DOI: 10.1016/j.dark.2023.101348

Current small-scale CMB constraints to axionlike early dark energy

Author(s): Tristan L. Smith, Vivian Poulin
Published in: Physical Review D, Issue 109, 2024, ISSN 2470-0010
Publisher: American Physical Society (APS)
DOI: 10.1103/PhysRevD.109.103506

Early dark energy beyond slow-roll: Implications for cosmic tensions

Author(s): Ravi kumar Sharma, Subinoy Das, Vivian Poulin
Published in: Physical Review D, Issue 109, 2024, ISSN 2470-0010
Publisher: American Physical Society (APS)
DOI: 10.1103/physrevd.109.043530

Sigma-8 tension is a drag

Author(s): Vivian Poulin, José Luis Bernal, Ely D. Kovetz, Marc Kamionkowski
Published in: Physical Review D, Issue 107, 2023, ISSN 2470-0010
Publisher: American Physical Society (APS)
DOI: 10.1103/physrevd.107.123538

Improved Planck Constraints on Axionlike Early Dark Energy as a Resolution of the Hubble Tension

Author(s): George Efstathiou, Erik Rosenberg, Vivian Poulin
Published in: Physical Review Letters, Issue 132, 2024, ISSN 0031-9007
Publisher: American Physical Society (APS)
DOI: 10.1103/PhysRevLett.132.221002

Probing early modification of gravity with Planck, ACT and SPT

Author(s): Guillermo Franco Abellán, Matteo Braglia, Mario Ballardini, Fabio Finelli, Vivian Poulin
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2023, 2023, ISSN 1475-7516
Publisher: IOP Publishing
DOI: 10.1088/1475-7516/2023/12/017

Toward alleviating the H0 and S8 tensions with early dark energy-dark matter drag

Author(s): Tho Simon, Tal Adi, Jos Luis Bernal, Ely D. Kovetz, Vivian Poulin and Tristan L. Smith
Published in: Physical Review D, Issue 111, 2025, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/PhysRevD.111.023523

Bayesian and frequentist investigation of prior effects in EFT of LSS analyses of full-shape BOSS and eBOSS data

Author(s): Emil Brinch Holm, Laura Herold, Théo Simon, Elisa G. M. Ferreira, Steen Hannestad, Vivian Poulin, Thomas Tram
Published in: Physical Review D, Issue 108, 2023, ISSN 2470-0010
Publisher: American Physical Society (APS)
DOI: 10.1103/PhysRevD.108.123514

Simulating the Universe from the cosmological horizon to halo scales

Author(s): Thomas Montandon, Oliver Hahn, Clément Stahl
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2024, 2024, ISSN 1475-7516
Publisher: IOP Publishing
DOI: 10.1088/1475-7516/2024/10/033

"Scale-dependent local primordial non-Gaussianity as a solution to the <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML"" display=""inline""><mml:msub><mml:mi>S</mml:mi><mml:mn>8</mml:mn></mml:msub></mml:math> tension"

Author(s): Clément Stahl, Benoit Famaey, Rodrigo Ibata, Oliver Hahn, Nicolas Martinet, Thomas Montandon
Published in: Physical Review D, Issue 110, 2024, ISSN 2470-0010
Publisher: American Physical Society (APS)
DOI: 10.1103/PhysRevD.110.063501