TL;DR
This paper constructs exact solutions for dark energy stars by modeling mixed matter and dark energy configurations with phantom scalar fields, including extremal cases with zero ordinary matter pressure.
Contribution
It introduces a general class of exact interior solutions for relativistic stars containing both matter and dark energy, matching them with exterior solutions, including extremal cases.
Findings
Exact interior solutions for mixed matter and dark energy stars.
Matching conditions for interior and exterior solutions.
Extremal configurations with zero matter pressure.
Abstract
Adopting the phantom (ghost) scalar field description of dark energy, we construct a general class of exact interior solutions describing mixed relativistic stars containing both ordinary matter and dark energy in different proportions. The exterior solution that continuously matches the interior solutions is found. Exact solutions describing extremal configuration with zero ordinary matter pressure are also constructed.
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