Quantum Field Theory Of Cosmological Perturbations Induced By Ultralight Dark Matter

arXiv:2607.27133 · hep-th, astro-ph.CO, gr-qc · Submitted 2026-07-29 · Read on arXiv

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

Submitted: 2026-07-29

Updated: 2026-10-14

Comments: 97 pages, 1 figure, 9 Feynman diagrams

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

Terminology

• Regularization — 7× in this paper · explained in 3 episodes
• Adiabatic Evolution — 4× in this paper · explained in 2 episodes
• Trace — 4× in this paper · explained in 2 episodes
• Consistency — 3× in this paper · explained in 3 episodes
• Accuracy — 2× in this paper · explained in 1 episode
• Generalization — 2× in this paper · explained in 13 episodes
• Homogeneity — 2× in this paper · explained in 2 episodes
• Reheating — 2× in this paper · explained in 2 episodes
• Decoupling — 1× in this paper · explained in 2 episodes
• Hybrid Approach — 1× in this paper · explained in 4 episodes
• Robustness — 1× in this paper · explained in 5 episodes

Sources

• The NANOGrav 15-year Data Set: Evidence for a Gravitational-Wave Background
• Searching for the nano-Hertz stochastic gravitational wave background with the Chinese Pulsar Timing Array Data Release I
• The second data release from the European Pulsar Timing Array III. Search for gravitational wave signals
• The MeerKAT Pulsar Timing Array: The first search for gravitational waves with the MeerKAT radio telescope
• Planck 2018 results. V. CMB power spectra and likelihoods
• Planck 2018 results. X. Constraints on inflation
• Joint analysis of DES Year 3 data and CMB lensing from SPT and Planck III: Combined cosmological constraints
• Planck 2018 results. VI. Cosmological parameters
• Ultra-Light Dark Matter
• Ultralight scalars as cosmological dark matter
• Primordial Black Holes as Dark Matter Candidates
• Gravitational Wave Resonance in Ultra-Light Dark Matter Halos
• Parametric resonance of gravitational waves in general scalar-tensor theories
• Gravitational-Wave Propagation Through the Axiverse
• Scalar field dark matter in hybrid approach
• Kinetic theory and classical limit for real scalar quantum field in curved space-time
• Field-theoretic approach to large-scale structure formation
• Oscillating gravitational potential due to ultralight axion: linear theory
• Stamps of state on structure: Probing the state of ultralight dark matter via its density fluctuations
• One-loop tensor power spectrum from an excited scalar field during inflation

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