Centre de Physique Théorique

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Group “Fundamental Interactions”

The Cosmology Team is comprised of researchers having an expertise in Cosmology, General Relativity, Quantum Field Theory and Particle Physics who collaborate and share contracts with several national and international groups of theoreticians, cosmologists, astronomers, astrophysicists and particle physicists.

Context of our researches. Flooded for over a decade with a massive quantity of high quality data, cosmology has finally become a fertile domain of research, the ideal ground where predictions from fundamental physics, particle physics and general relativity can be tested and falsified. This abundance of information has recently led to the discovery of phenomena and physical signals that were completely unexpected, such as the accelerated expansion of the universe, as well as phenomena that were expected since long, but undetected so far, such as gravitational waves.

The core of our activities is oriented along three main research axes:

  • Understanding the physics of the large scale structure of the universe by studying how the structures grow in different regimes using statistical tools. We want to gauge the contribution of the different forms of matter (standard and dark) and we aim at extracting the values of fundamental observables of the standard model of cosmology.
  • Unveiling the nature of dark energy by studying the rich phenomenology of the acceleration of the universe. The goal is to refine our knowledge of the dark sector of the universe either empirically, by exploring whether the standard description of gravity, the general theory of relativity, fails on large (infrared) cosmic scales, either theoretically, by exploring which non-standard model of gravity might generalize the current paradigm.
  • Assessing the consistency of the physical foundations of the model of cosmology by challenging fundamental assumptions adopted in cosmological inferences, in order to secure the conceptual basis of the paradigm used in interpreting cosmological observations.

Directory of Members

Bel Julien University faculty
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Beyne Simon PhD candidate
Kalbouneh Basheer PhD candidate
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Karcher Martin PhD candidate
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Marinoni Christian University faculty
Chef de l’équipe « Cosmologie »
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Piazza Federico University faculty
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Schücker Thomas Emeritus
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Taxil Pierre Emeritus
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Virey Jean-Marc University faculty
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Zeghari Kenza PhD candidate
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Ziane Mehdi-Bara PhD candidate
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List of Publications

62 results
Preprint, Working paper
Galliano Valent, André Tilquin, Thomas Schücker
Axial Bianchi IX and its Lemaître-Hubble diagram
Journal article
Alberto Nicolis, Federico Piazza, Kenza Zeghari
Rotating cosmologies: classical and quantum
JCAP, 2022, 10, pp.059. ⟨10.1088/1475-7516/2022/10/059⟩
Romain Codur
Conséquences des inhomogénéités à symétrie sphérique sur le redshift et les distances en cosmologie
Cosmology and Extra-Galactic Astrophysics [astro-ph.CO]. Aix Marseille Université (AMU), 2021. English. ⟨NNT : ⟩
Philippe Baratta
Une nouvelle approche Monte Carlo pour l'analyse des grandes structures cosmologiques
Cosmology and Extra-Galactic Astrophysics [astro-ph.CO]. Aix-Marseille Université; Physique et Sciences de la Matière (352), 2021. English. ⟨NNT : ⟩
Adrien Kuntz
Tester la gravité avec le problème à deux corps
Cosmology and Extra-Galactic Astrophysics [astro-ph.CO]. Aix-Marseille Université (AMU), 2020. English. ⟨NNT : ⟩
Journal article
A. Gargiulo, O. Cucciati, B. Garilli, M. Scodeggio, M. Bolzonella, G. Zamorani, G. de Lucia, J. Krywult, L. Guzzo, B. Granett, S. de La Torre, U. Abbas, C. Adami, S. Arnouts, D. Bottini, A. Cappi, P. Franzetti, A. Fritz, C. Haines, A. Hawken, A. Iovino, V. Le Brun, O. Le Fèvre, D. Maccagni, K. Małek, F. Marulli, T. Moutard, M. Polletta, A. Pollo, L. Tasca, R. Tojeiro, D. Vergani, A. Zanichelli, J. Bel, E. Branchini, J. Coupon, O. Ilbert, L. Moscardini, J. Peacock
The VIMOS Public Extragalactic Redshift Survey (VIPERS): Environment-size relation of massive passive galaxies at 0.5 ≤ z ≤ 0.8
Astronomy and Astrophysics - A&A, 2019, 631, pp.A15. ⟨10.1051/0004-6361/201833600⟩
Journal article
Joanna Berteaud, Johanna Pasquet, Thomas Schucker, André Tilquin
On a quadratic equation of state and a universe mildly bouncing above the Planck temperature
Journal of Cosmology and Astroparticle Physics, 2019, 2019 (10), pp.069. ⟨10.1088/1475-7516/2019/10/069⟩
Journal article
Adrien Kuntz
Two-body potential of Vainshtein screened theories
Physical Review D, 2019, 100 (2), pp.024024. ⟨10.1103/PhysRevD.100.024024⟩
Journal article
Adrien Kuntz, Federico Piazza, Filippo Vernizzi
Effective field theory for gravitational radiation in scalar-tensor gravity
Journal of Cosmology and Astroparticle Physics, 2019, 2019 (05), pp.052. ⟨10.1088/1475-7516/2019/05/052⟩
Journal article
D. Vergani, B. Garilli, M. Polletta, P. Franzetti, M. Scodeggio, G. Zamorani, P. Haines, M. Bolzonella, L. Guzzo, B. Granett, S. de La Torre, U. Abbas, C. Adami, D. Bottini, A. Cappi, O. Cucciati, I. Davidzon, G. de Lucia, A. Fritz, A. Gargiulo, A. Hawken, A. Iovino, J. Krywult, V. Le Brun, O. Le Fevre, D. Maccagni, K. Małek, F. Marulli, A. Pollo, M. Tasca, R. Tojeiro, A. Zanichelli, S. Arnouts, J. Bel, E. Branchini, J. Coupon, O. Ilbert, T. Moutard, L. Moscardini
The VIMOS Public Extragalactic Redshift Survey (VIPERS): AGN feedback in [NeV] emitters
Astronomy and Astrophysics - A&A, 2018, 620, pp.A193. ⟨10.1051/0004-6361/201732495⟩
62 results