4.7 Article

Equilibrium and stability of relativistic stars in extended theories of gravity

Journal

EUROPEAN PHYSICAL JOURNAL C
Volume 76, Issue 12, Pages -

Publisher

SPRINGER
DOI: 10.1140/epjc/s10052-016-4549-z

Keywords

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Funding

  1. CNPq (Brazil) [DEC-2013/09/B/ST2/03455]
  2. INFN Sez. di Napoli (Iniziative Specifiche TEONGRAV)
  3. Conselho Nacional de Desenvolvimento Cientifico e Tecnologico

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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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