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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

56 results
Journal article
S. De La Torre, E. Jullo, C. Giocoli, A. Pezzotta, J. Bel, B.R. Granett, L. Guzzo, B. Garilli, M. Scodeggio, M. Bolzonella, U. Abbas, C. Adami, D. Bottini, A. Cappi, O. Cucciati, I. Davidzon, P. Franzetti, A. Fritz, A. Iovino, J. Krywult, V. Le Brun, O. Le Fèvre, D. Maccagni, K. Małek, F. Marulli, M. Polletta, A. Pollo, L.A.M. Tasca, R. Tojeiro, D. Vergani, A. Zanichelli, S. Arnouts, E. Branchini, J. Coupon, G. De Lucia, O. Ilbert, T. Moutard, L. Moscardini, J.A. Peacock, R.B. Metcalf, F. Prada, G. Yepes
The VIMOS Public Extragalactic Redshift Survey (VIPERS). Gravity test from the combination of redshift-space distortions and galaxy-galaxy lensing at $0.5 < z < 1.2$
Astronomy and Astrophysics - A&A, EDP Sciences, 2017, 608, pp.A44. 〈10.1051/0004-6361/201630276〉
Journal article
A. J. Hawken, B. R. Granett, A. Iovino, L. Guzzo, J. A. Peacock, S. De La Torre, B. Garilli, M. Bolzonella, M. Scodeggio, U. Abbas, C. Adami, D. Bottini, A. Cappi, O. Cucciati, I. Davidzon, A. Fritz, P. Franzetti, J. Krywult, V. Le Brun, O. Le Fevre, D. Maccagni, K. Małek, F. Marulli, M. Polletta, A. Pollo, L. A. . M. Tasca, R. Tojeiro, D. Vergani, A. Zanichelli, S. Arnouts, J. Bel, E. Branchini, G. De Lucia, O. Ilbert, L. Moscardini, W. J. Percival
The VIMOS Public Extragalactic Redshift Survey (VIPERS). Measuring the growth rate of structure around cosmic voids
Astronomy and Astrophysics - A&A, EDP Sciences, 2017, 607, pp.A54. 〈10.1051/0004-6361/201629678〉
Journal article
Federico Piazza, David Pirtskhalava, Riccardo Rattazzi, Olivier Simon
Gaugid inflation
Journal of Cosmology and Astroparticle Physics, Institute of Physics (IOP), 2017, 11 (11), pp.041. 〈10.1088/1475-7516/2017/11/041〉
Journal article
A. Gargiulo, M. Bolzonella, M. Scodeggio, J. Krywult, G. De Lucia, L. Guzzo, B. Garilli, R. Granett, S. De La Torre, U. Abbas, C. Adami, S. Arnouts, D. Bottini, A. Cappi, O. Cucciati, I. Davidzon, P. Franzetti, A. Fritz, C. Haines, J. Hawken, A. Iovino, V. Le Brun, O. Le Fevre, D. Maccagni, K. Małek, F. Marulli, T. Moutard, M. Polletta, A. Pollo, L. A. M. Tasca, R. Tojeiro, D. Vergani, A. Zanichelli, G. Zamorani, J. Bel, E. Branchini, J. Coupon, O. Ilbert, L. Moscardini, J. A. Peacock, B. R. Grannet, A. Hawken
The VIMOS Public Extragalactic Redshift Survey (VIPERS). The distinct build-up of dense and normal massive passive galaxies
Astronomy and Astrophysics - A&A, EDP Sciences, 2017, 606, pp.A113. 〈10.1051/0004-6361/201630112〉
Journal article
P. Haines, A. Iovino, J. Krywult, L. Guzzo, I. Davidzon, M. Bolzonella, B. Garilli, M. Scodeggio, R. Granett, S. De La Torre, G. De Lucia, U. Abbas, C. Adami, S. Arnouts, D. Bottini, A. Cappi, O. Cucciati, P. Franzetti, A. Fritz, A. Gargiulo, V. Le Brun, O. Le Fevre, D. Maccagni, K. Małek, F. Marulli, T. Moutard, M. Polletta, A. Pollo, M. Tasca, R. Tojeiro, D. Vergani, A. Zanichelli, G. Zamorani, J. Bel, E. Branchini, J. Coupon, O. Ilbert, L. Moscardini, J. A. Peacock, M. Siudek
The VIMOS Public Extragalactic Redshift Survey (VIPERS). Downsizing of the blue cloud and the influence of galaxy size on mass quenching over the last eight billion years
Astronomy and Astrophysics - A&A, EDP Sciences, 2017, 605, pp.A4. 〈10.1051/0004-6361/201630118〉
Journal article
C. Duval, T. Schücker
Gravitational birefringence of light in Robertson-Walker cosmologies
Physical Review D, American Physical Society, 2017, 96 (4), 〈10.1103/PhysRevD.96.043517〉
Journal article
S. Rota, B.R. Granett, J. Bel, L. Guzzo, J.A. Peacock, M.J. Wilson, A. Pezzotta, S. De La Torre, B. Garilli, M. Bolzonella, M. Scodeggio, U. Abbas, C. Adami, D. Bottini, A. Cappi, O. Cucciati, I. Davidzon, P. Franzetti, A. Fritz, A. Iovino, J. Krywult, V. Le Brun, O. Le Fèvre, D. Maccagni, K. Małek, F. Marulli, W.J. Percival, M. Polletta, A. Pollo, L.A.M. Tasca, R. Tojeiro, D. Vergani, A. Zanichelli, S. Arnouts, E. Branchini, J. Coupon, G. De Lucia, O. Ilbert, L. Moscardini, T. Moutard
The VIMOS Public Extragalactic Redshift Survey (VIPERS). The matter density and baryon fraction from the galaxy power spectrum at redshift $0.6 < z < 1.1$
Astronomy and Astrophysics - A&A, EDP Sciences, 2017, 601, pp.A144. 〈10.1051/0004-6361/201630116〉
Journal article
A. Marchetti, B. Garilli, B.R. Granett, L. Guzzo, A. Iovino, M. Scodeggio, M. Bolzonella, S. De La Torre, U. Abbas, C. Adami, D. Bottini, A. Cappi, O. Cucciati, I. Davidzon, P. Franzetti, A. Fritz, J. Krywult, V. Le Brun, O. Fèvre, D. Maccagni, K. Małek, F. Marulli, M. Polletta, A. Pollo, L.A.M. Tasca, R. Tojeiro, D. Vergani, A. Zanichelli, S. Arnouts, J. Bel, E. Branchini, J. Coupon, G. De Lucia, O. Ilbert, T. Moutard, L. Moscardini, G. Zamorani
The VIMOS Public Extragalactic Redshift Survey (VIPERS): PCA-based automatic cleaning and reconstruction of survey spectra
Astronomy and Astrophysics - A&A, EDP Sciences, 2017, 600, pp.A54. 〈10.1051/0004-6361/201630249〉
Journal article
Matteo Zennaro, Julien Bel, Francisco Villaescusa-Navarro, Carmelita Carbone, Emiliano Sefusatti, Luigi Guzzo
Initial Conditions for Accurate N-Body Simulations of Massive Neutrino Cosmologies
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P - Oxford Open Option A, 2017, 466 (3), pp.3244-3258. 〈10.1093/mnras/stw3340〉
Journal article
Jose Beltran Jimenez, Lavinia Heisenberg, Ryotaro Kase, Ryo Namba, Shinji Tsujikawa
Instabilities in Horndeski Yang-Mills inflation
Physical Review D, American Physical Society, 2017, 95 (6), pp.063533. 〈10.1103/PhysRevD.95.063533〉
56 results

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