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1
Perturbations in Non-Flat Cosmology for $f(T)$ gravity ...
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2
Modified Gravity and Cosmology: An Update by the CANTATA Network
In: https://hal.archives-ouvertes.fr/hal-03261155 ; 2021 (2021)
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3
Modified Gravity and Cosmology: An Update by the CANTATA Network ...
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4
Gravitational Wave Propagation and Polarizations in the Teleparallel analog of Horndeski Gravity ...
Abstract: 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 polarization structure of GWs. Additionally, there is growing interest in theories of gravity beyond GR. One such theory which remains viable within the context of recent measurements of the speed of propagation of GWs is the teleparallel analogue of Horndeski gravity. In this work, we explore the polarization structure of this newly proposed formulation of Horndeski theory. In curvature-based gravity, Horndeski theory is almost synonymous with extensions to GR since it spans a large portion of these possible extensions. We perform this calculation by taking perturbations about a Minkowski background and consider which mode propagates. The result is that the polarization structure depends on the choice of model parameters in the teleparallel Horndeski Lagrangian with a maximum of seven propagating degrees of freedom. While the ...
Keyword: Cosmology and Nongalactic Astrophysics astro-ph.CO; FOS Physical sciences; General Relativity and Quantum Cosmology gr-qc; High Energy Physics - Theory hep-th
URL: https://dx.doi.org/10.48550/arxiv.2105.13243
https://arxiv.org/abs/2105.13243
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5
Teleparallel Gravity: From Theory to Cosmology ...
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6
Post-Newtonian limit of Teleparallel Horndeski gravity ...
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7
Exact spherically symmetric solutions in modified Gauss-Bonnet gravity from Noether symmetry approach ...
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8
Constraining Generalized Non-local Cosmology from Noether Symmetries ...
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9
Constraining generalized non-local cosmology from Noether symmetries
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