Degenerate and connection-dependent cosmological sectors in f(Q,C) gravity

arXiv:2607.05521 · gr-qc, astro-ph.CO, hep-ph, hep-th · Submitted 2026-07-06 · Read on arXiv

Ismael Ayuso

gr-qc, astro-ph.CO, hep-ph, hep-th

Submitted: 2026-07-06

Comments: 19 pages, 5 figures

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• General Relativity — 11× in this paper
• Consistency — 3× in this paper · explained in 3 episodes
• Degeneracy — 3× in this paper · explained in 3 episodes
• Hubble Tension — 3× in this paper · explained in 9 episodes
• Symmetric Teleparallel Gravity — 3× in this paper
• Generalization — 2× in this paper · explained in 13 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Cooperation — 1× in this paper · explained in 2 episodes
• Gauge Freedom — 1× in this paper · explained in 2 episodes
• Homogeneity — 1× in this paper · explained in 2 episodes
• Symmetric Teleparallel Equivalent of General Relativity — 1× in this paper

Sources

• Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies
• The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
• DESI DR2 Results II: Measurements of Baryon Acoustic Oscillations and Cosmological Constraints
• In the Realm of the Hubble tension $-$ a Review of Solutions
• Modified Gravity and Cosmology: An Update by the CANTATA Network
• Extended Theories of Gravity
• Modified Gravity and Cosmology
• The teleparallel equivalent of general relativity
• Coincident General Relativity
• The Geometrical Trinity of Gravity
• Cosmology in $f(Q)$ geometry
• Observational constraints of $f(Q)$ gravity
• Addressing $H_0$ and $S_8$ tensions within $f(Q)$ cosmology
• Observational constraints on cosmological solutions of $f(Q)$ theories
• Structure growth in $f(Q)$ cosmology
• DGP and DGPish cosmologies from $f(Q)$ actions
• Phase-space analysis of an anisotropic universe in $f(Q,C)$ gravity
• Geometric acceleration in $f(Q,C)$ theories
• Black holes and regular black holes in coincident $f(\mathbb{Q},\mathbb{B}_Q)$ gravity coupled to nonlinear electrodynamics
• Exact cosmological solutions in non-coincidence $f(Q)$-theory

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