73 citations · 366 across the 12 of their papers we have counts for
12 papers
Geometry and covariance of symmetric teleparallel theories of gravity
Daniel Blixt, Alexey Golovnev, Maria-Jose Guzman +1
We present the geometric foundations and derivations of equations of motion for symmetric teleparallel theories of gravity in the coincident gauge and covariant frameworks. We disc…
Hamilton's equations in the covariant teleparallel equivalent of general relativity
Laxmipriya Pati, Daniel Blixt, Maria-Jose Guzman
We present Hamilton's equations for the teleparallel equivalent of general relativity (TEGR), which is a reformulation of general relativity based on a curvatureless, metric compat…
Contemplating the fate of modified gravity
Alexey Golovnev, Maria-Jose Guzman
Possible models of modified gravity are being extensively studied now, with most phenomenological motivations coming from puzzles and tensions in cosmology due to a natural desire…
Lorentz symmetries and primary constraints in covariant teleparallel gravity
Alexey Golovnev, Maria-Jose Guzman
In this article we explore local Lorentz transformations in theories of gravity based on the teleparallel formalism. For the teleparallel equivalent of general relativity (TEGR), t…
Black Holes in Gravity: Exact and Perturbed Solutions
Sebastian Bahamonde, Alexey Golovnev, María-José Guzmán +2
Spherically symmetric solutions of theories of gravity built one fundamental class of solutions to describe compact objects like black holes and stars. Moreover, they serve as star…
Approaches to spherically symmetric solutions in f(T) gravity
Alexey Golovnev, Maria-Jose Guzman
We study properties of static spherically symmetric solutions in gravity. Based on our previous work on generalising Bianchi identities for this kind of theories, we…
Non-trivial Minkowski backgrounds in f(T) gravity
Alexey Golovnev, Maria-Jose Guzman
Boosted and rotated tetrad backgrounds for the Minkowski space are studied in gravity. We perform Lorentzian perturbations at first order around non-trivial backgrounds and…
Bianchi identities in f(T) gravity: paving the way to confrontation with astrophysics
Alexey Golovnev, Maria-Jose Guzman
Theories of gravity are being actively confronted with cosmological observations, and are being studied for their potential to solve famous problems of cosmology. A necessar…
Disformal transformations in modified teleparallel gravity
Alexey Golovnev, Maria Jose Guzman
In this work, we explore disformal transformations in the context of the teleparallel equivalent of general relativity and modified teleparallel gravity. We present explicit formul…
McVittie solution in f(T) gravity
Cecilia Bejarano, Rafael Ferraro, María José Guzmán
We show that McVittie geometry, which describes a black hole embedded in a FLRW universe, not only solves Einstein equations but also remains as a non-deformable solution of f(T) g…
Kerr geometry in f(T) gravity
Cecilia Bejarano, Rafael Ferraro, María José Guzmán
Null tetrads are shown to be a valuable tool in teleparallel theories of modified gravity. We use them to prove that Kerr geometry remains a solution for a wide family of f(T) theo…
Gravitino Dark Matter in Split Supersymmetry with Bilinear R-Parity Violation
Giovanna Cottin, Marco A. Díaz, María José Guzmán +1
In Split-SUSY with BRpV we show that the Gravitino DM solution is consistent with experimental evidence on its relic density and life time. We arrive at this conclusion by performi…