Monopoles, Strings, Walls and Gravitational waves

arXiv:2607.20340 · hep-ph, astro-ph.CO, hep-th · Submitted 2026-07-22 · Read on arXiv

Rinku Maji, Qaisar Shafi

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

Submitted: 2026-07-22

Comments: 14 pages, 5 captioned figures

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

Terminology

• Symmetry Breaking — 14× in this paper · explained in 3 episodes
• Domain Walls — 6× in this paper · explained in 2 episodes
• Topological Defects — 5× in this paper · explained in 2 episodes
• Gravitational Wave Emission — 2× in this paper · explained in 2 episodes
• Phase Transitions — 2× in this paper · explained in 2 episodes
• Metastability — 1× in this paper · explained in 3 episodes

Sources

• Half-quantum vortices and walls bounded by strings in the polar-distorted phases of topological superfluid $^3$He
• Monopoles, Strings, and Necklaces in $SO(10)$ and $E_6$
• Composite Topological Structures in SO(10)
• Superheavy Metastable Strings in SO(10)
• Observation of Gravitational Waves from a Binary Black Hole Merger
• Stochastic gravitational-wave background from metastable cosmic strings
• The NANOGrav 15-year Data Set: Search for Signals from New Physics
• Gravitational Waves from Quasi-stable Strings
• Superheavy quasi-stable strings and walls bounded by strings in the light of NANOGrav 15 year data
• Gravitational waves from walls bounded by strings in $SO(10)$ model of pseudo-Goldstone dark matter
• The NANOGrav 15-year Data Set: Evidence for a Gravitational-Wave Background
• The second data release from the European Pulsar Timing Array III. Search for gravitational wave signals
• Search for an isotropic gravitational-wave background with the Parkes Pulsar Timing Array
• Searching for the nano-Hertz stochastic gravitational wave background with the Chinese Pulsar Timing Array Data Release I
• Gravitational Wave Gastronomy
• C-parity, magnetic monopoles and higher frequency gravitational waves
• Metastable Cosmic Strings and Gravitational Waves from Flavour Symmetry Breaking
• Metastable strings and dumbbells in supersymmetric hybrid inflation
• Metastable cosmic strings
• Inflation, superheavy metastable strings and gravitational waves in non-supersymmetric flipped SU(5)

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