184 citations · 570 across the 9 of their papers we have counts for
9 papers
-attractor dark energy in view of next-generation cosmological surveys
Carlos García-García, Pilar Ruíz-Lapuente, David Alonso +1
The -attractor inflationary models are nowadays favored by CMB Planck observations. Their similarity with canonical quintessence models motivates the exploration of a common fra…
No Slip CMB
Micah Brush, Eric V. Linder, Miguel Zumalacárregui
No Slip Gravity is a simple modified gravity theory with only one free function and the interesting characteristic that -- unlike many modified gravity theories -- it suppresses gr…
Dark energy from -attractors: phenomenology and observational constraints
Carlos García-García, Eric V. Linder, Pilar Ruíz-Lapuente +1
The possibility of linking inflation and late cosmic accelerated expansion using the -attractor models has received increasing attention due to their physical motivation. In the…
DBI Galileons in the Einstein Frame: Local Gravity and Cosmology
Miguel Zumalacarregui, Tomi S. Koivisto, David F. Mota
It is shown that a disformally coupled theory in which the gravitational sector has the Einstein-Hilbert form is equivalent to a quartic DBI Galileon Lagrangian, possessing non-lin…
Screening Modifications of Gravity through Disformally Coupled Fields
Tomi S. Koivisto, David F. Mota, Miguel Zumalacarregui
It is shown that extensions to General Relativity, which introduce a strongly coupled scalar field, can be viable if the interaction has a non-conformal form. Such disformal coupli…
Modified Entropic Gravity and Cosmology
Miguel Zumalacarregui
It has been recently proposed that gravity might be an entropic force. Although a well defined fundamental description for such a mechanism is still lacking, it is still possible t…
Tension in the Void: Cosmic Rulers Strain Inhomogeneous Cosmologies
Miguel Zumalacarregui, Juan Garcia-Bellido, Pilar Ruiz-Lapuente
New constraints on inhomogeneous Lemaître-Tolman-Bondi (LTB) models alternative to Dark Energy are presented, focusing on adiabatic profiles with space-independent Big Bang and bar…
Constraining Entropic Cosmology
Tomi S. Koivisto, David F. Mota, Miguel Zumalacarregui
It has been recently proposed that the interpretation of gravity as an emergent, entropic force might have nontrivial implications to cosmology. Here two approaches are investigate…
Disformal Scalar Fields and the Dark Sector of the Universe
M. Zumalacarregui, T. S. Koivisto, D. F. Mota +1
Disformal transformations have proven to be very useful to devise models of the dark sector. In the present paper we apply such transformation to a single scalar field theory as a…