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Teoreticheskaya i Matematicheskaya Fizika, 2021, Volume 208, Number 3, Pages 522–543
DOI: https://doi.org/10.4213/tmf10051
(Mi tmf10051)
 

This article is cited in 8 scientific papers (total in 8 papers)

Study on anisotropic strange stars in Rastall gravity

I. G. Salakoabc, D. R. Bokodb, G. F. Pomalegniac, M. Z. Aroukoec

a Ecole de Génie Rural, Université Nationale d’Agriculture, Kétou, Bénin
b Institut de Mathématiques et de Sciences Physiques, Porto-Novo, Bénin
c Ecole Doctorale des Sciences Exactes et Appliquées, Université d’Abomey-Calavi, Abomey-Calavi, Béninet Appliquées, Université d’Abomey-Calavi
d Faculté des Sciences et Techniques de Natitingou, L’Université Nationale des Sciences, Technologies, Ingénierie et Mathématiques, Natitingou, Bénin
e Département de Physique, Université d’Abomey-Calavi, Abomey-Calavi, Bénin
Full-text PDF (892 kB) Citations (8)
References:
Abstract: The strange quark matter (SQM) whose distribution is governed by the simplified MIT bag model equation of state has been the subject of a series of investigations within the framework of Rastall's theory. We obtain an exact solution of the modified form of the Tolman–Oppenheimer–Volkoff (TOV) equation in the Rastall gravity theory and study the dependence of different physical properties (the total mass, radius, energy density, and pressure) for the chosen values of the Rastall parameter λRas. To examine physical acceptability of the proposed stellar model, we conduct different tests in detail: the energy conditions, the the mass–radius relation, the Compactification factor, the redshift, the system stability, the modified TOV equation, the causality condition, and the adiabatic index in terms of λRas. We precisely explain the effects arising due to the Rastall parameter and geometry on the compact stellar system. We find that as the factor λRas decreases, the strange star candidates become gradually massive and larger in size with a less dense stellar configuration. But when λRas increases, the stars shrink gradually and become less massive, turning into a more compact stellar system. For λRas>0, our proposed model is therefore suitable for explaining the ultradense compact stars well within the observational limits; for λRas<0, it allows representing the recent massive pulsars and super-Chandrasekhar stars. For λRas=1, we retrieve the standard results of general relativity.
Keywords: dark energy theory, Rastall gravity, massive star.
Received: 28.12.2020
Revised: 22.03.2021
English version:
Theoretical and Mathematical Physics, 2021, Volume 208, Issue 3, Pages 1299–1316
DOI: https://doi.org/10.1134/S0040577921090105
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: I. G. Salako, D. R. Boko, G. F. Pomalegni, M. Z. Arouko, “Study on anisotropic strange stars in Rastall gravity”, TMF, 208:3 (2021), 522–543; Theoret. and Math. Phys., 208:3 (2021), 1299–1316
Citation in format AMSBIB
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\paper Study on anisotropic strange stars in Rastall gravity
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\vol 208
\issue 3
\pages 522--543
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\jour Theoret. and Math. Phys.
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  • https://www.mathnet.ru/eng/tmf10051
  • https://doi.org/10.4213/tmf10051
  • https://www.mathnet.ru/eng/tmf/v208/i3/p522
  • This publication is cited in the following 8 articles:
    1. Juan M.Z. Pretel, Takol Tangphati, Ayan Banerjee, Anirudh Pradhan, “Effects of anisotropic pressure on interacting quark star structure”, Physics Letters B, 848 (2024), 138375  crossref  mathscinet
    2. M.I. Wanas, Samah A. Ammar, Mona M. Foda, “Structure of compact stars: A pure geometric approach”, New Astronomy, 109 (2024), 102201  crossref
    3. Hira Sohail, Allah Ditta, Irfan Mahmood, S. K. Maurya, Yousef Mohammed Alanazi, “Rastall teleparallel gravity: gravitational decoupling with MGD approach”, Eur. Phys. J. Plus, 139:8 (2024)  crossref
    4. Asifa Ashraf, M. R. Shahzad, Wen-Xiu Ma, “Possible dark energy stars in Rastall gravity”, Int. J. Geom. Methods Mod. Phys., 21:12 (2024)  crossref
    5. Krishna Pada Das, Akashdip Karmakar, Ujjal Debnath, “Color flavor locked strange stars in de Rham–Gabadadze–Tolley like massive gravity”, Eur. Phys. J. C, 84:11 (2024)  crossref
    6. J. M. Z. Pretel, T. Tangphati, A. Banerjee, “Relativistic structure of charged quark stars in energy–momentum squared gravity”, Annals of Physics, 458 (2023), 169440  crossref  mathscinet
    7. A. Banerjee, T. Tangphati, S. Hansraj, A. Pradhan, “Strange quark star models from Rastall gravity”, Annals of Physics, 451 (2023), 169267  crossref  mathscinet
    8. R. Saleem, A. Wahab, I. Shahid, “Effectiveness of rastall gravity in modified Chaplygin gas inspired viscous-flation”, Phys. Scr., 97:5 (2022), 055209  crossref
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Теоретическая и математическая физика Theoretical and Mathematical Physics
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