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Cosmology

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

BARATTA Philippe PhD candidate
Email
Bel Julien University faculty
+33.4.91.26.95.05 Email
Fernandez-Cid Adrian PhD candidate
Email
Kuntz Adrien PhD candidate
Email
Marinoni Christian University faculty
Chef de l’équipe « Cosmologie »
+33.4.91.26.95.35 Email
Pèrenon Louis PhD candidate
Email
Piazza Federico University faculty
+33.4.91.26.95.04 Email
Schücker Thomas University faculty
Chef du Groupe « Interactions fondamentales »
+33.4.91.26.95.61 Email
Taxil Pierre University faculty
+33.4.91.26.95.48 Email
Virey Jean-Marc University faculty
+33.4.91.26.95.48 Email

List of Publications

51 results
Preprint, Working paper
Christian Marinoni, Heinrich Steigerwald
On the dynamical emergence of de Sitter spacetime
2016
Journal article
P.A.R. Ade, S. Henrot-Versillé, A. Mangilli, O. Perdereau, Stéphane Plaszczynski, B. Rouillé D’orfeuil, M. Spinelli, M. Tristram, A. Catalano, C. Combet, J.F. Macias-Perez, L. Perotto, C. Renault, D. Santos, Valentina Salvatelli
Planck 2015 results. XIII. Cosmological parameters
Astronomy and Astrophysics - A&A, EDP Sciences, 2016, 594, pp.A13. 〈10.1051/0004-6361/201525830 〉
Journal article
R. Adam, F. Couchot, S. Henrot-Versillé, O. Perdereau, Stéphane Plaszczynski, B. Rouillé D’orfeuil, M. Spinelli, M. Tristram, A. Catalano, C. Combet, B. Comis, J.F. Macias-Perez, L. Perotto, C. Renault, D. Santos, Valentina Salvatelli
Planck 2015 results. I. Overview of products and scientific results
Astronomy and Astrophysics - A&A, EDP Sciences, 2016, 594, pp.A1. 〈10.1051/0004-6361/201527101〉
Journal article
P.A.R. Ade, F. Couchot, S. Henrot-Versillé, A. Mangilli, O. Perdereau, Stéphane Plaszczynski, M. Tristram, A. Catalano, C. Combet, J.F. Macias-Perez, L. Perotto, C. Renault, D. Santos, Valentina Salvatelli
Planck 2015 results. XIV. Dark energy and modified gravity
Astronomy and Astrophysics - A&A, EDP Sciences, 2016, 594, pp.A14. 〈10.1051/0004-6361/201525814 〉
Journal article
J. Bel, E. Branchini, C. Di Porto, O. Cucciati, B. R. Granett, A. Iovino, S. De La Torre, C. Marinoni, L. Guzzo, L. Moscardini, A. Cappi, U. Abbas, C. Adami, S. Arnouts, M. Bolzonella, D. Bottini, J. Coupon, I. Davidzon, G. De Lucia, A. Fritz, P. Franzetti, M. Fumana, B. Garilli, O. Ilbert, J. Krywult, V. Le Brun, O. Le Fèvre, D. Maccagni, K. Małek, F. Marulli, H. J. Mccracken, L. Paioro, M. Polletta, A. Pollo, H. Schlagenhaufer, M. Scodeggio, L. A. M. Tasca, R. Tojeiro, D. Vergani, A. Zanichelli, A. Burden, A. Marchetti, Y. Mellier, R. C. Nichol, J. A. Peacock, W. J. Percival, S. Phleps, M. Wolk
The VIMOS Public Extragalactic Redshift Survey (VIPERS): On the recovery of the count-in-cell probability distribution function
Astronomy and Astrophysics - A&A, EDP Sciences, 2016, 588, pp.A51. 〈10.1051/0004-6361/201526455〉
Journal article
C. Di Porto, E. Branchini, J. Bel, F. Marulli, M. Bolzonella, O. Cucciati, S. De La Torre, B. R. Granett, L. Guzzo, C. Marinoni, L. Moscardini, U. Abbas, C. Adami, S. Arnouts, D. Bottini, A. Cappi, J. Coupon, I. Davidzon, G. De Lucia, A. Fritz, P. Franzetti, M. Fumana, B. Garilli, O. Ilbert, A. Iovino, J. Krywult, V. Le Brun, O. Le Fevre, D. Maccagni, K. Malek, H. J. Mccracken, L. Paioro, M. Polletta, A. Pollo, M. Scodeggio, L. A. M. Tasca, R. Tojeiro, D. Vergani, A. Zanichelli, A. Burden, A. Marchetti, D. Martizzi, Y. Mellier, R. C. Nichol, J. A. Peacock, W. J. Percival, M. Viel, M. Wolk, G. Zamorani
The VIMOS Public Extragalactic Redshift Survey (VIPERS). Measuring nonlinear galaxy bias at z~0.8
Astronomy and Astrophysics - A&A, EDP Sciences, 2016, 〈10.1051/0004-6361/201424448〉
Journal article
Hermano Velten, Humberto Borges, Thiago R. P. Caramês
Degeneracy between warm and coupled cold dark matter: A clarifying note
Physical Review D, American Physical Society, 2016, 93 (6), pp.063503 〈10.1103/PhysRevD.93.063503〉
Journal article
Federico Piazza, Thomas Schucker
Minimal cosmography
General Relativity and Gravitation, Springer Verlag, 2016, 48 (41), 〈10.1007/s10714-016-2039-0〉
Preprint, Working paper
André Tilquin, Thomas Schucker
On a sneezing universe
2015
Journal article
Louis Perenon, Federico Piazza, Christian Marinoni, Lam Hui
Phenomenology of dark energy: general features of large-scale perturbations
JCAP, 2015, 2015 (11), pp.029. 〈10.1088/1475-7516/2015/11/029 〉
51 results

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