Cosmological solutions in polynomial affine gravity with torsion

The Polynomial Affine Gravity is an alternative gravitational model, where the interactions are mediated solely by the affine connection, instead of the metric tensor. In this paper, we explore the space of solutions to the field equations when the torsion fields are turned on, in a homogeneous and...

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Bibliographic Details
Published in:The European physical journal. C, Particles and fields Particles and fields, 2024-09, Vol.84 (9), p.900-12, Article 900
Main Authors: Castillo-Felisola, Oscar, Grez, Bastian, Olmo, Gonzalo J., Orellana, Oscar, Gárate, José Perdiguero
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics and Cosmology
Dimensional analysis
Elementary Particles
Geometry
Gravitational waves
Gravity
Hadrons
Heavy Ions
Measurement Science and Instrumentation
Nuclear Energy
Nuclear Physics
Physics
Physics and Astronomy
Polynomials
Quantum Field Theories
Quantum Field Theory
Regular Article - Theoretical Physics
String Theory
Tensors
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Summary:The Polynomial Affine Gravity is an alternative gravitational model, where the interactions are mediated solely by the affine connection, instead of the metric tensor. In this paper, we explore the space of solutions to the field equations when the torsion fields are turned on, in a homogeneous and isotropic (cosmological) scenario. We explore various metric structures that emerge in the space of solutions.
ISSN:1434-6052
1434-6044
1434-6052
DOI:10.1140/epjc/s10052-024-13250-2