737 citations · 5.3k across the 53 of their papers we have counts for
9 papers · 1 filter
Universal CMB Phase Coherence from Single-Field Inflation
Siméon Vareilles, Thomas Colas, Julien Grain +2
The phase coherence of primordial perturbations shapes the acoustic peaks of the CMB and is regarded as a key signature of inflation. Inflationary scenarios at different energy sca…
Remembering George Smoot
John Berliner, Tom Broadhurst, Martin Bucher +31
George Smoot (1945-2025) was a major figure in observational cosmology, particularly through his role in the precision measurement of the CMB dipole and the discovery of the primor…
Diagnostic of Horndeski Theories
Louis Perenon, Christian Marinoni, Federico Piazza
We study the effects of Horndeski models of dark energy on the observables of the large-scale structure in the late time universe. A novel classification into {\it Late dark energy…
Constraints on modified gravity from Planck 2015: when the health of your theory makes the difference
Valentina Salvatelli, Federico Piazza, Christian Marinoni
We use the effective field theory of dark energy (EFT of DE) formalism to constrain dark energy models belonging to the Horndeski class with the recent Planck 2015 CMB data. The sp…
Phenomenology of dark energy: general features of large-scale perturbations
Louis Perenon, Federico Piazza, Christian Marinoni +1
We present a systematic exploration of dark energy and modified gravity models containing a single scalar field non-minimally coupled to the metric. Even though the parameter space…
Exploring gravitational theories beyond Horndeski
Jérôme Gleyzes, David Langlois, Federico Piazza +1
We have recently proposed a new class of gravitational scalar-tensor theories free from Ostrogradski instabilities, in arXiv:1404.6495. As they generalize Horndeski theories, or "g…