Equilibrium and stability of relativistic stars in extended theories of gravity |
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| Authors: | Aneta Wojnar Hermano Velten |
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| Affiliation: | 1.Institute of Physics,Maria Curie-Sklodowska University,Lublin,Poland;2.INFN Sez. di Napoli,Univ. di Monte S. Angelo,Napoli,Italy;3.Dipartimento di Fisica “E. Pancini”,Universita’ di Napoli Federico II, Complesso Universitario di Monte S. Angelo,Naples,Italy;4.Universidade Federal do Espírito Santo (UFES),Vitória,Brazil |
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| Abstract: | We study static, spherically symmetric equilibrium configurations in extended theories of gravity (ETG) following the notation introduced by Capozziello et al. We calculate the differential equations for the stellar structure in such theories in a very generic form i.e., the Tolman–Oppenheimer–Volkoff generalization for any ETG is introduced. Stability analysis is also investigated with special focus on the particular example of scalar–tensor gravity. |
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