Matches in SemOpenAlex for { <https://semopenalex.org/work/W2316277769> ?p ?o ?g. }
- W2316277769 abstract "This work is devoted to analyze the role of the electromagnetic field and a viable $f(R)=R+ensuremath{delta}{R}^{2}$ model on the range of dynamical instability. For this purpose, we assume a charged spherically symmetric anisotropic star, which begins collapsing adiabatically under the expansion-free condition. We formulate the dynamical equations using contracted Bianchi identities for the usual, effective dark source and electromagnetic energy-momentum tensor. The perturbation scheme is applied to the metric as well as physical variables. We conclude that the instability range of the observed expansion-free fluid does not depend upon the numerical values of the index $ensuremath{Gamma}$; rather, it relies on the anisotropy of the pressure, radial density profile, electromagnetic field, and $f(R)$ model." @default.
- W2316277769 created "2016-06-24" @default.
- W2316277769 creator A5010593762 @default.
- W2316277769 creator A5073965211 @default.
- W2316277769 date "2013-07-12" @default.
- W2316277769 modified "2023-10-18" @default.
- W2316277769 title "Dynamical instability of the charged expansion-free spherical collapse in<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mi>f</mml:mi><mml:mo stretchy=false>(</mml:mo><mml:mi>R</mml:mi><mml:mo stretchy=false>)</mml:mo></mml:math>gravity" @default.
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- W2316277769 doi "https://doi.org/10.1103/physrevd.88.024020" @default.
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