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Introducing the Dirac-Milne universe
The ΛCDM standard model, although an excellent parametrization of the present cosmological data, contains two as yet unobserved components, dark matter and dark... -
21 cm observation of large-scale structures at z~1 Instrument sensitivity and...
16 pages, 18 figures submitted to Astronomy & Astrophysics (A&A) -
Multiscale cosmology and structure-emerging dark energy: A plausibility analysis
25 pages, 10 figures, includes calculation of luminosity distances, matches published version in Phys. Rev. D -
Dark Energy from structure: a status report
Invited Review for a special Gen. Rel. Grav. issue on Dark Energy, 59 pages, 2 figures; matches published version -
Dark Energy and Dark Matter Hidden in the Geometry of Space? The Dawn of a Ne...
International audience -
Simulations of BAO reconstruction with a quasar Ly-α survey
Context. The imprint of baryonic acoustic oscillations (BAO) on the matter power spectrum can be constrained using the neutral hydrogen density in the intergalactic... -
Statistical study of the correlation in the galaxy distribution – application...
Baryon Acoustic Oscillations (BAOs) correspond to the acoustic phenomenon in the baryon-photon plasma before recombination. BAOs imprint a particular scale,... -
And if there was no need of dark energy to explain the acceleration of the ex...
Open Access Journal -
Can Dark Energy emerge from quantum effects in compact extra dimension ?
The origin of the observed acceleration of the expansion of the universe is a major problem of modern cosmology and theoretical physics. Simple estimations of the... -
Baryon acoustic oscillations in the Lyα forest of BOSS quasars
We report a detection of the baryon acoustic oscillation (BAO) feature in the three-dimensional correlation function of the transmitted flux fraction in the Lyα forest... -
Lagrangian theory of structure formation in relativistic cosmology II: averag...
24 pages, 15 figures -
Averaged properties of inhomogeneous models in relativistic cosmology
The standard cosmological model possesses some shortcomings for a relevent description of our universe and its constituents. First, it leaves in suspense the... -
Lightcone Averaging and Precision Cosmology
Rédaction entre les mois de Mars et Juin 2013. Dernières corrections effectuées en Août 2013. -
Spectroscopic Needs for Imaging Dark Energy Experiments
White paper for the "Dark Energy and CMB" working group for the American Physical Society's Division of Particles and Fields long-term planning exercise ("Snowmass") -
Virtual gravitational dipoles: the key for the understanding of the Universe?
International audience -
The large scale structures. A window on the dark components of the Universe
The dark energy is one of the great mysteries of modern cosmology, responsible for the current acceleration of the expansion of our Universe. Its study is a major... -
Large imaging surveys for cosmology: cosmic magnification and photometric cal...
This thesis work focuses on the use of deep, wide field surveys to extract new cosmological information. Precise photometry plays a large role in this quest, through...
