Viscous fluid with neutrino in f(R,?,X) gravity

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dc.authorid0000-0002-5471-619X
dc.authorid0000-0002-1741-9399
dc.authorid0000-0002-8622-6830
dc.contributor.authorEraslan, Erkan
dc.contributor.authorDogru, Melis Ulu
dc.contributor.authorTaser, Dogukan
dc.contributor.authorAydin, Hueseyin
dc.date.accessioned2026-02-03T12:02:21Z
dc.date.available2026-02-03T12:02:21Z
dc.date.issued2025
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIn this study, we investigate the Kantowski-Sachs space-time within the framework of f(R,Phi,X) gravity, incorporating a general fluid distribution with neutrino contributions. The field equations are constructed using a hybrid f(R,Phi,X) function that combines features of the Starobinsky-like model and k-essence functions with canonical scalar fields. Analytical solutions are obtained, showing that the fluid can exhibit bulk viscous behavior with neutrino contributions. The model's kinematical properties and energy conditions are investigated. NEC, WEC and DEC are satisfied, while SEC is violated, indicating scenarios where gravity repels matter, enabling exotic configurations. These results provide insights into the early universe's dynamics and the role of viscous fluids and neutrinos in modified gravity theories.
dc.description.sponsorshipCanakkale Onsekiz Mart University Scientific Research Projects [FBA-2023-4643]
dc.description.sponsorshipThis study is supported by Canakkale Onsekiz Mart University Scientific Research Projects. Project Number:FBA-2023-4643.
dc.identifier.doi10.1088/1402-4896/ade0f5
dc.identifier.issn0031-8949
dc.identifier.issn1402-4896
dc.identifier.issue7
dc.identifier.scopus2-s2.0-105009095123
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1088/1402-4896/ade0f5
dc.identifier.urihttps://hdl.handle.net/20.500.12428/34716
dc.identifier.volume100
dc.identifier.wosWOS:001509812500001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherIop Publishing Ltd
dc.relation.ispartofPhysica Scripta
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20260130
dc.subjectKantowski-Sachs universe
dc.subjectneutrino
dc.subjectf(R,Phi,X) gravity
dc.subjectenergy conditions
dc.titleViscous fluid with neutrino in f(R,?,X) gravity
dc.typeArticle

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