Journal
PHYSICAL REVIEW D
Volume 92, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.92.044020
Keywords
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Funding
- CNPq
- FAPES
- A*MIDEX project [ANR-11-IDEX-0001-02]
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We calculate static and spherically symmetric solutions for the Rastall modification of gravity to describe neutron stars (NS). The key feature of the Rastall gravity is the nonconservation of the energy-momentum tensor proportionally to the space-time curvature. Using realistic equations of state for the NS interior we place a conservative bound on the non-general relativity behavior of the Rastall theory which should be less than or similar to 1% level. This work presents the more stringent constraints on the deviations of general relativity caused by the Rastall proposal.
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