Domain walls through different cosmologies

arXiv:2607.28214 · astro-ph.CO, hep-ph, hep-th · Submitted 2026-07-30 · Read on arXiv

I. Dankovsky, D. Gorbunov, S. Ramazanov, A. Vikman

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

Submitted: 2026-07-30

Comments: 30 pages, 8 figures

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

Terminology

• Domain Walls — 6× in this paper · explained in 2 episodes
• Domain Walls (DWs) — 3× in this paper · explained in 2 episodes
• Equation of State (EoS) — 3× in this paper · explained in 4 episodes
• Degeneracy — 2× in this paper · explained in 3 episodes
• Phase Transitions — 2× in this paper · explained in 2 episodes
• pulsar timing arrays — 2× in this paper · explained in 2 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Einstein Telescope — 1× in this paper
• Homogeneity — 1× in this paper · explained in 2 episodes

Sources

• Scaling in Numerical Simulations of Domain Walls
• On the estimation of gravitational wave spectrum from cosmic domain walls
• The art of simulating the early Universe -- Part I
• CosmoLattice
• The art of simulating the early Universe. Part II. Non-canonical cases & gravitational waves
• Domain walls in the scaling regime: Equal Time Correlator and Gravitational Waves
• One-scale Model for Domain Wall Network Evolution
• Scaling Properties of Domain Wall Networks
• Accurate Calibration of the Velocity-dependent One-scale Model for Domain Walls
• Extending the velocity-dependent one-scale model for domain walls
• Analytic scaling solutions for cosmic domain walls
• Cosmic domain walls on a lattice: illusive effects of initial conditions
• Axionic defects in the CMB: birefringence and gravitational waves
• Stochastic gravitational wave background generated by domain wall networks
• Revisiting evolution of domain walls and their gravitational radiation with CosmoLattice
• Contribution of domain wall networks to the CMB power spectrum
• Gravitational Waves from Domain Wall Collapse, and Application to Nanohertz Signals with QCD-coupled Axions
• Near-Peak Spectrum of Gravitational Waves from Collapsing Domain Walls
• The Spectrum of Gravitational Waves from Annihilating Domain Walls
• Biased domain walls: faster annihilation, weaker gravitational waves

Related papers

• Angular clustering and bias of photometric quasars in the Kilo-Degree Survey Data Release 4
• A Novel kinetic Sunyaev-Zel'dovich Estimator for Electron-Electron Correlations
• Magnetic fields at the dawn of structure formation I. The CARLA J1510+5958 proto-cluster
• Dark Energy Survey Year 6 Results: Weak Lensing and Galaxy Clustering Cosmological Analysis Framework
• Exploring the Impact of Systematic Bias in Type Ia Supernova Cosmology Across Diverse Dark Energy Parametrizations
• Non-Gaussian Galaxy Stochasticity and the Noise-Field Formulation