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Towards Metric-Affine Quantum Gravity

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arxiv 2003.09486 v1 pith:HSPG5HVI submitted 2020-03-20 gr-qc

classification gr-qc
keywords gravityquantumtheoryconnectionconsiderhereindependentmetric
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I review here some motivations to consider a theory of gravity based on independent metric and connection, and its status as a quantum theory.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Scale-invariant Schr\"{o}dinger geometry in symmetric teleparallel gravity

    gr-qc 2026-07 conditional novelty 6.0 of 10

    A quadratic nonmetricity action of Schrödinger type is locally scale-invariant exactly when its Palatini connection equations admit the length-preserving Schrödinger connection.

  2. Inflation with nondynamic distortion to leading order in slow roll

    astro-ph.CO 2026-07 conditional novelty 6.0 of 10

    Nondynamic distortion integrated out of a 13-parameter metric-affine action sources the entire inflaton kinetic term; monomial models depend only on exponent ratio while α-attractors recover modified Starobinsky observables.

  3. Complete background cosmology of parity-even quadratic metric-affine gravity

    gr-qc 2024-12 conditional novelty 6.0 of 10

    The full background dynamics of parity-even quadratic metric-affine gravity in FLRW spacetimes are derived, including branches with spatial-curvature screening and analytic de Sitter-like solutions.

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