Investigating generalized polytropic compact objects in f(R) gravity

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27740%2F25%3A10257673" target="_blank" >RIV/61989100:27740/25:10257673 - isvavai.cz</a>
Result on the web
<a href="https://link.springer.com/article/10.1140/epjc/s10052-025-13950-3" target="_blank" >https://link.springer.com/article/10.1140/epjc/s10052-025-13950-3</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1140/epjc/s10052-025-13950-3" target="_blank" >10.1140/epjc/s10052-025-13950-3</a>

Result language
angličtina
Original language name
Investigating generalized polytropic compact objects in f(R) gravity
Original language description
This paper investigates realistic anisotropic matter configurations for spherical symmetry in f(R) gravity. The solutions obtained from Starobinsky model are used to determine the behavior of PSR J0740+6620, PSR J0348+0432 and 4U 1608-52 with polytropic equation of state. Analysis of physical parameters such as density, pressure, and anisotropy is illustrated through graphs, and the stability of compact objects is investigated by energy and causality conditions. We will also discuss the behavior of gravitational, hydrostatic and anisotropic forces, gravitational redshift and adiabatic index. The graphical representations demonstrate the realistic valuable f(R) gravity models at the theoretical and astrophysical scales.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10700 - Other natural sciences

Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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