Equilibrium and stability of relativistic stars in extended theories of gravity

被引：0
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作者：
Aneta Wojnar
Hermano Velten
机构：
[1] Maria Curie-Sklodowska University,Institute of Physics
[2] Univ. di Monte S. Angelo,INFN Sez. di Napoli
[3] Universita’ di Napoli Federico II,Dipartimento di Fisica “E. Pancini”
[4] Complesso Universitario di Monte S. Angelo,undefined
[5] Universidade Federal do Espírito Santo (UFES),undefined
来源：
The European Physical Journal C | 2016年 / 76卷
关键词：
Dark Energy; Scalar Field; Neutron Star; Gordon Equation; Binary Pulsar;
D O I：
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摘要：
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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