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Scalar and vector perturbations in a universe with nonlinear perfect fluid

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dc.contributor.authorCanay, Ezgi
dc.contributor.authorBrilenkov, Ruslan
dc.contributor.authorEingorn, Maxim
dc.contributor.authorArapoğlu, A. Savaş
dc.contributor.authorZhuk, Alexander
dc.contributor.ituauthorArapoğlu, Abdurrahman Savaş
dc.date.accessioned2026-01-26T02:40:34Z
dc.date.issued2021-03-01
dc.description.abstractAbstractWe study a three-component universe filled with dust-like matter in the form of discrete inhomogeneities (e.g., galaxies) and perfect fluids characterized by linear and nonlinear equations of state. Within the cosmic screening approach, we develop the theory of scalar and vector perturbations. None of the energy density contrasts associated with the distinct components is treated as small. Consequently, the derived equations are valid at both sub- and super-horizon scales and enable simulations for a variety of cosmological models.
dc.description.urihttps://doi.org/10.1140/epjc/s10052-021-09032-9
dc.description.urihttps://link.springer.com/content/pdf/10.1140/epjc/s10052-021-09032-9.pdf
dc.description.urihttps://dx.doi.org/10.48550/arxiv.2011.05914
dc.description.urihttp://arxiv.org/abs/2011.05914
dc.description.urihttps://doaj.org/article/1357b63bb673477eaad7b05067a46b96
dc.description.urihttps://research.rug.nl/en/publications/2ee14e70-f97d-422a-b4ee-28569d80ead5
dc.description.urihttps://hdl.handle.net/11370/2ee14e70-f97d-422a-b4ee-28569d80ead5
dc.description.urihttps://dx.doi.org/10.1140/epjc/s10052-021-09032-9
dc.description.urihttps://aperta.ulakbim.gov.tr/record/240526
dc.identifier.doi10.1140/epjc/s10052-021-09032-9
dc.identifier.eissn1434-6052
dc.identifier.issn1434-6044
dc.identifier.openairedoi_dedup___::c8fa2dac1b7f589e63b0fe77f2c730c6
dc.identifier.orcid0000-0002-9453-5991
dc.identifier.orcid0000-0001-9022-3985
dc.identifier.orcid0000-0003-3516-9597
dc.identifier.urihttps://hdl.handle.net/11527/57850
dc.identifier.volume81
dc.language.isoeng
dc.publisherSpringer Science and Business Media LLC
dc.relation.ispartofThe European Physical Journal C
dc.rightsOPEN
dc.sdg.typeGoal 6: Clean Water and Sanitation
dc.subjectHigh Energy Physics - Theory
dc.subjectCosmology and Nongalactic Astrophysics (astro-ph.CO)
dc.subjectFOS: Physical sciences
dc.subjectQC770-798
dc.subjectGeneral Relativity and Quantum Cosmology (gr-qc)
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectQB460-466
dc.subjectHigh Energy Physics - Theory (hep-th)
dc.subjectNuclear and particle physics. Atomic energy. Radioactivity
dc.subjectAstrophysics - Cosmology and Nongalactic Astrophysics
dc.titleScalar and vector perturbations in a universe with nonlinear perfect fluid
dc.typeArticle
dspace.entity.typePublication
person.identifier.orcid0000-0003-3516-9597

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