2 papers
hep-ph2026
Scaling solutions for varying tension strings
C. S. C. M. Coelho, A. -L. Y. Gschrey, C. J. A. P. Martins
We use the Velocity-dependent One Scale Model for topological defect evolution to explore and classify the possible scaling solutions for string networks with time-varying tension,…
astro-ph.CO2025
Observational constraints on vector-like dark energy
C. S. C. M. Coelho, A. -L. Y. Gschrey, C. J. A. P. Martins
The canonical cosmological model to explain the recent acceleration of the universe relies on a cosmological constant, and most dynamical dark energy and modified gravity model alt…