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Anisotropic star models in the context of vanishing complexity

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arxiv 2208.10594 v1 pith:ZQGCWXKP submitted 2022-08-18 gr-qc

classification gr-qc
keywords modelscomplexityanisotropicconditionsphysicalvanishingacceptabilityanalysis
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abstract

We use the definition of complexity for static and self--gravitating objects to build up three physical general relativistic anisotropic models fulfilling the vanishing complexity condition which serves to provide the extra information needed to close the system of Einstein field equations. We evaluate the physical acceptability of these models by testing some of the conditions that the geometric and material sector must satisfy in order to be considered as reasonable realistic models. We present the results of this analysis by asserting that the studied cases demonstrate to be feasible and stable under the chosen set of parameters. Furthermore, the $P_{\perp}=0$ and the Consenza's anisotropy models that seem not satisfying the expect conditions are also discussed.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. On Modeling Anisotropic Quark Stars: The Role of Anisotropy in Radial Oscillation Spectra

    gr-qc 2026-08 conditional novelty 6.0 of 10

    Radial oscillation spectra of an anisotropic strange quark star model of Cen X-3 are computed for three anisotropy prescriptions and differ by up to 40 percent between models.

  2. Radial Oscillations of the HESS J1731-347 Compact Object via the Karmarkar Condition in Gravity

    gr-qc 2025-04 conditional novelty 5.0 of 10

    A Karmarkar-based anisotropic stellar model fits HESS J1731-347's mass and radius and predicts radial oscillation frequencies about 20-30% higher than the isotropic Tolman IV model.

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