2 papers
astro-ph.CO2026
Cosmological Constraints on (t)CDM Models
H. A. P. Macedo, L. S. Brito, J. F. Jesus +1
Problems with the concordance cosmology CDM as the cosmological constant problem, coincidence problems and Hubble tension has led to many proposed alternatives, as the C…
astro-ph.CO2025
Can decaying vacuum solve the H_0 Tension?
L. S. Brito, J. F. Jesus, A. A. Escobal +1
In the present work we analyze two different models of interaction between dark energy and dark matter, also known as vacuum decay models or CDM models. In both models, when…