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Renormalizable, asymptotically free gravity without ghosts or tachyons

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arxiv 1710.03795 v3 pith:CU3SHKPG submitted 2017-10-10 hep-th gr-qchep-ph

Martin B. Einhorn , D. R. Timothy Jones This is my paper · ORCID
classification hep-thgr-qchep-ph
keywords freeasymptoticallyframegaugeghostsgravityspacetachyons
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We analyse scale invariant quadratic quantum gravity incorporating non-minimal coupling to a multiplet of scalar fields in a gauge theory, with particular emphasis on the consequences for its interpretation resulting from a transformation from the Jordan frame to the Einstein frame. The result is the natural emergence of a de Sitter space solution which, depending the gauge theory and region of parameter space chosen, can be free of ghosts and tachyons, and completely asymptotically free. In the case of an SO(10) model, we present a detailed account of the spontaneous symmetry breaking, and we calculate the leading (two-loop) contribution to the dilaton mass.

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Cited by 2 Pith papers

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

  1. 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.

  2. Dilaton-induced variations in Planck constant and speed of light: An alternative to Dark Energy

    gr-qc 2024-12 reject novelty 4.0 of 10

    The paper assigns dilaton-dependent ℏ and c in a scale-invariant fermion-gauge action, derives a τ∝l^{3/2} time scaling, and claims this replaces dark energy, with the supernova fit deferred to a companion paper.

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