New models with independent dynamical torsion and nonmetricity fields

Abstract

We propose a gravitational model which allows the independent dynamical behaviour of the torsion and nonmetricity fields to be displayed in the framework of Metric-Affine gauge theory of gravity. For this task, we derive a new exact black hole solution referred to this model which extends the role of torsion of the main well-known exact solutions based on Weyl-Cartan geometry and constitutes the first known isolated gravitational system characterized by a metric tensor with independent spin and dilation charges.

arXiv comment15 pages, 0 figures, minor changes, references added. It matches the version published in JCAP

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Cited by in corpus (25)

• Testing dynamical torsion effects on the charged black hole's shadow, deflection angle and greybody with M87* and Sgr. A* from EHT
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• Thermal analysis and Joule-Thomson expansion of black hole exhibiting metric-affine gravity
• Observational Constraints in Metric-Affine Gravity
• Exploring Axial Symmetry in Modified Teleparallel Gravity
• Torsional birefringence in metric-affine Chern-Simons gravity: gravitational waves in late-time cosmology
• New black hole solutions with a dynamical traceless nonmetricity tensor in Metric-Affine Gravity
• The Full Quadratic Metric-Affine Gravity (Including Parity Odd Terms): Exact solutions for the Affine-Connection
• Cosmology of Quadratic Metric-Affine Gravity
• Kerr-Newman Black Holes in Weyl-Cartan Theory: Shadows and EHT constraints
• Spontaneous Scalarization of Black Holes in Gauss-Bonnet Teleparallel Gravity
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• Describing metric-affine theories anew: alternative frameworks, examples and solutions
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• Plebański-Demiański solutions with dynamical torsion and nonmetricity fields
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