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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
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

48 results
Journal article
Jose Beltrán Jiménez, Lavinia Heisenberg
Derivative self-interactions for a massive vector field
Physics Letters B, Elsevier, 2016, 757 (405–411), 〈10.1016/j.physletb.2016.04.017〉
Journal article
Philip Bull, Yashar Akrami, Julian Adamek, Tessa Baker, Emilio Bellini, Jose Beltrán Jiménez, Eloisa Bentivegna, Stefano Camera, Sébastien Clesse, Jonathan H. Davis, Enea Di Dio, Jonas Enander, Fabio Finelli, Alan Heavens, Lavinia Heisenberg, Bin Hu, Claudio Llinares, Roy Maartens, Edvard Mörtsell, Seshadri Nadathur, Johannes Noller, Roman Pasechnik, Marcel S. Pawlowski, Thiago S. Pereira, Miguel Quartin, Angelo Ricciardone, Signe Riemer-Sørensen, Massimiliano Rinaldi, Jeremy Sakstein, Ippocratis D. Saltas, Vincenzo Salzano, Ignacy Sawicki, Adam R. Solomon, Douglas Spolyar, Glenn D. Starkman, Danièle Steer, Ismael Tereno, Licia Verde, Francisco Villaescusa-Navarro, Mikael Von Strauss, Hans A. Winther
Beyond $\Lambda$CDM: Problems, solutions, and the road ahead
Physics of the Dark Universe, Elsevier, 2016, 12, pp.56-99. 〈10.1016/j.dark.2016.02.001〉
Journal article
Jose Beltrán Jiménez, Tomi S. Koivisto
Spacetimes with vector distortion: Inflation from generalised Weyl geometry
Physics Letters B, Elsevier, 2016, 756, pp.400-404. 〈10.1016/j.physletb.2016.03.047〉
Journal article
Jose Beltrán Jiménez, Lavinia Heisenberg, Tomi S. Koivisto
Cosmology for quadratic gravity in generalized Weyl geometry
Journal of Cosmology and Astroparticle Physics, Institute of Physics (IOP), 2016, 2016 (04), pp.046. 〈10.1088/1475-7516/2016/04/046〉
Journal article
Sami R. Zouzou, Andre Tilquin, Thomas Schucker
Einstein-Cartan, Bianchi I and the Hubble Diagram
General Relativity and Gravitation, Springer Verlag, 2016, pp.48. 〈10.1007/s10714-016-2050-5〉
Journal article
Jose Beltrán Jiménez, Federico Piazza, Hermano Velten
Evading the Vainshtein screen with anomalous gravitational wave speed: Constraints on modified gravity from binary pulsars
Physical Review Letters, American Physical Society, 2016, 116 (6), pp.061101. 〈10.1103/PhysRevLett.116.061101 〉
Journal article
I. Davidzon, O. Cucciati, M. Bolzonella, G. De Lucia, G. Zamorani, S. Arnouts, T. Moutard, O. Ilbert, B. Garilli, M. Scodeggio, L. Guzzo, U. Abbas, C. Adami, J. Bel, D. Bottini, E. Branchini, A. Cappi, J. Coupon, S. Torre, C. Di Porto, A. Fritz, P. Franzetti, M. Fumana, B. R. Granett, L. Guennou, A. Iovino, J. Krywult, V. Le Brun, O. Le Fevre, D. Maccagni, K. Malek, F. Marulli, H. J. Mccracken, Y. Mellier, L. Moscardini, M. Polletta, A. Pollo, L. A. M. Tasca, R. Tojeiro, D. Vergani, A. Zanichelli
The VIMOS Public Extragalactic Redshift Survey (VIPERS) Environmental effects shaping the galaxy stellar mass function
Astronomy and Astrophysics - A&A, EDP Sciences, 2016, 586, 〈10.1051/0004-6361/201527129〉
Preprint, Working paper
Christian Marinoni, Heinrich Steigerwald
On the dynamical emergence of de Sitter spacetime
2016
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
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 〉
48 results

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