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- Title
Revise the Phase-Space Analysis of the Dynamical Spacetime Unified Dark Energy Cosmology.
- Authors
Paliathanasis, Andronikos
- Abstract
We analyze the phase-space of an alternate scalar field cosmology that aims to combine the concepts of dark energy and the dark sector. The investigation focuses on stationary points within this phase-space, considering different functional forms of the two potential functions. Our findings indicate that a de Sitter universe is achievable solely when at the asymptotic limit the potential function is constant. For constant potential function, the de Sitter universe is recovered in the finite regime; however, for the exponential potential, the de Sitter universe exists at the infinity regime. The cosmological viability of the present theory is discussed.
- Subjects
PHYSICAL cosmology; SPACETIME; POTENTIAL functions; SCALAR field theory; DARK energy; PHASE space; ENERGY industries
- Publication
Universe (2218-1997), 2023, Vol 9, Issue 9, p406
- ISSN
2218-1997
- Publication type
Article
- DOI
10.3390/universe9090406