In VEP formalism the off-shell spin connection admits a one-parameter family of conformal transformations interpolating between Nieh-Yan and conformally invariant torsion; dynamically generated torsion lacks well-defined conformal properties and affects fermions and conformal scalars.
Torsion gravity with non-minimally coupled fermionic field: some cosmological models
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abstract
We investigate some cosmological models arising from a non-minimal coupling of a fermionic field to gravity in the geometrical setting of Einstein-Cartan-Sciama-Kibble gravity. The role played by the non-minimal coupling together with torsion in facing problems such as cosmological singularity, inflation and dark energy is discussed.
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gr-qc 1years
2019 1verdicts
UNVERDICTED 1representative citing papers
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Different types of torsion and their effect on the dynamics of fields
In VEP formalism the off-shell spin connection admits a one-parameter family of conformal transformations interpolating between Nieh-Yan and conformally invariant torsion; dynamically generated torsion lacks well-defined conformal properties and affects fermions and conformal scalars.