Special Issue "Teleparallel Gravity: Foundations and Observational Constraints"
Deadline for manuscript submissions: closed (31 March 2021).
Interests: Modified gravity; Cosmology; Teleparallel gravity
Department of Physics, University of Malta, Malta
Interests: Cosmology; Modified Gravity; Large-Scale Structure
General relativity is a very successful theory that shows great agreement with observations. However, the theory faces some theoretical and observational challenges, such as the issues surrounding dark energy or dark matter as well as cosmological tensions in recent large-scale structure measurements. In order to try to tackle these issues, several types of modified theories of gravity have been proposed. One interesting route is to modify the geometrical nature of gravity. This is done in the so-called “teleparallel theories of gravity”, where the manifold is assumed to be flat (zero curvature) but could contain torsion and/or non-metricity. It turns out that one can write down theories having the same field equations (and predictions) to general relativity using two alternative routes: from torsion (torsional teleparallel) or from non-metricity (symmetric teleparallel). Following this, one could extend these theories to obtain modified theories different from the standard GR-based theories.
This Special issue is devoted to all aspects of teleparallel theories of gravity, containing torsion and/or non-metricity. The main aim would be to focus on their theoretical foundations and, also, on possible observational constraints that one can set from cosmology and astrophysics.
Dr. Sebastian Bahamonde
Dr. Jackson Levi Said
Manuscript Submission Information
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- Modified Gravity
- Teleparallel Gravity
- Symmetric Teleparallel Gravity
- Observational Constraints
- Gravitational Radiation