532 citations · 1.1k across the 9 of their papers we have counts for
9 papers
New models and Big Bang Nucleosynthesis constraints in gravity
Fotios K. Anagnostopoulos, Viktor Gakis, Emmanuel N. Saridakis +1
The theories of modified gravity arise from the consideration of non-metricity as the basic geometric quantity, and have been proven to be very efficient in describing the l…
Teleparallel Gravity: From Theory to Cosmology
Sebastian Bahamonde, Konstantinos F. Dialektopoulos, Celia Escamilla-Rivera +7
Teleparallel gravity has significantly increased in popularity in recent decades, bringing attention to Einstein's other theory of gravity. In this Review, we relate this form of g…
Gravitational Wave Propagation and Polarizations in the Teleparallel analog of Horndeski Gravity
Sebastian Bahamonde, Maria Caruana, Konstantinos F. Dialektopoulos +5
Gravitational waves (GWs) have opened a new window on fundamental physics in a number of important ways. The next generation of GW detectors may reveal more information about the p…
Generalised Proca Theories in Teleparallel Gravity
Gianbattista-Piero Nicosia, Jackson Levi Said, Viktor Gakis
Generalised Proca theories of gravity represent an interesting class of vector-tensor theories where only three propagating degrees of freedom are present. In this work, we propose…
Cosmological perturbations in modified teleparallel gravity models: Boundary term extension
Sebastian Bahamonde, Viktor Gakis, Stella Kiorpelidi +3
Teleparallel gravity offers a new avenue in which to construct gravitational models beyond general relativity. While teleparallel gravity can be framed in a way to be dynamically e…
Conformal Gravity and Transformations in the Symmetric Teleparallel Framework
Viktor Gakis, Martin Krššák, Jackson Levi Said +1
Conformal symmetries appear in many parts of physics and play a unique role in exploring the Universe. In this work, we consider the possibility of constructing conformal theories…
Reviving Horndeski Theory using Teleparallel Gravity after GW170817
Sebastian Bahamonde, Konstantinos F. Dialektopoulos, Viktor Gakis +1
Horndeski gravity was highly constrained from the recent gravitational wave observations by the LIGO Collaboration down to . In this Letter we study th…
Polarization of gravitational waves in symmetric teleparallel theories of gravity and their modifications
Ismail Soudi, Gabriel Farrugia, Viktor Gakis +2
Symmetric teleparallel gravity (STG) offers an interesting avenue to formulate a theory of gravitation that relies neither on curvature nor torsion but only on non-metricity Q. Giv…
Gravitational Waves in Modified Teleparallel Theories
Gabriel Farrugia, Jackson Levi Said, Viktor Gakis +1
We investigate the gravitational waves and their properties in various modified teleparallel theories, such as and gravities. We perform the perturbation…