2 papers
astro-ph.CO2025
Cosmic Expansion Driven by Gravitational Particle Production: Toward a Complete Cosmological Scenario
P. W. R. Lima, J. A. S. Lima
A dark-energy-free cosmological model () based on gravitationally induced adiabatic particle creation is proposed. The thermodynamics of particle production yield…
astro-ph.CO2025
New accelerating cosmology without dark energy: The particle creation approach and the reduced relativistic gas
P. W. R. Lima, J. A. S. Lima, J. F. Jesus
The standard procedure to explain the accelerated expansion of the Universe is to assume the existence of an exotic component with negative pressure, generically called dark energy…