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 1% level. This work presents the more stringent constraints on the deviations of general relativity caused by the Rastall proposal.
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Oliveira et al. (2015) studied this question.
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