Phase-space analysis of dark energy models in non-minimally coupled theories of gravity

Understand

We analyze scalar field dark energy models minimally and non-minimally coupled to gravity, postulating that a Yukawa-like interacting term is \emph{in form} equivalent for general relativity, teleparallel and symmetric-teleparallel theories.

• Our analysis is pursued within two scalar field representations, where a quintessence and phantom pictures are associated with quasiquintessence and quasiphantom exotic fields.
• In the latter, we suggest how the phion-pressure can be built up without exhibiting a direct kinetic term.
• Accordingly, the stability analysis reveals that this quasiquintessence field provides a viable description of the universe indicating, when minimally coupled, how to unify dark energy and dark matter by showing an attractor point where $w_{\phi}=0$.