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equation of state 1exact solutions 1modified gravity 1perfect fluid 1Rastall theory 1static spherically symmetric spacetime 1

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1 paper

gr-qc2026

Exact solutions for static spherically symmetric spacetime with a perfect fluid in Rastall theory

Yoshimune Tomikawa, Ichika Obara, Takumi Orimo

The paper derives exact static, spherically symmetric solutions with a perfect fluid in Rastall's modified gravity theory, relating the Rastall parameter to the fluid equation‑of‑s…