Inhomogeneous and Radiating Composite Fluids

We consider the energy conditions for a dissipative matter distribution. The conditions can be expressed as a system of equations for the matter variables. The energy conditions are then generalised for a composite matter distribution; a combination of viscous barotropic fluid, null dust and a null...

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Autores principales:	Byron P. Brassel, Sunil D. Maharaj, Rituparno Goswami
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	composite fluids energy conditions Science Q Astrophysics QB460-466 Physics QC1-999
Acceso en línea:	https://doaj.org/article/bdccf232059c4d87853c9b8cf5f3bfad
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spelling	oai:doaj.org-article:bdccf232059c4d87853c9b8cf5f3bfad2021-11-25T17:29:19ZInhomogeneous and Radiating Composite Fluids10.3390/e231114001099-4300https://doaj.org/article/bdccf232059c4d87853c9b8cf5f3bfad2021-10-01T00:00:00Zhttps://www.mdpi.com/1099-4300/23/11/1400https://doaj.org/toc/1099-4300We consider the energy conditions for a dissipative matter distribution. The conditions can be expressed as a system of equations for the matter variables. The energy conditions are then generalised for a composite matter distribution; a combination of viscous barotropic fluid, null dust and a null string fluid is also found in a spherically symmetric spacetime. This new system of equations comprises the energy conditions that are satisfied by a Type I fluid. The energy conditions for a Type II fluid are also presented, which are reducible to the Type I fluid only for a particular function. This treatment will assist in studying the complexity of composite relativistic fluids in particular self-gravitating systems.Byron P. BrasselSunil D. MaharajRituparno GoswamiMDPI AGarticlecomposite fluidsenergy conditionsScienceQAstrophysicsQB460-466PhysicsQC1-999ENEntropy, Vol 23, Iss 1400, p 1400 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	composite fluids energy conditions Science Q Astrophysics QB460-466 Physics QC1-999
spellingShingle	composite fluids energy conditions Science Q Astrophysics QB460-466 Physics QC1-999 Byron P. Brassel Sunil D. Maharaj Rituparno Goswami Inhomogeneous and Radiating Composite Fluids
description	We consider the energy conditions for a dissipative matter distribution. The conditions can be expressed as a system of equations for the matter variables. The energy conditions are then generalised for a composite matter distribution; a combination of viscous barotropic fluid, null dust and a null string fluid is also found in a spherically symmetric spacetime. This new system of equations comprises the energy conditions that are satisfied by a Type I fluid. The energy conditions for a Type II fluid are also presented, which are reducible to the Type I fluid only for a particular function. This treatment will assist in studying the complexity of composite relativistic fluids in particular self-gravitating systems.
format	article
author	Byron P. Brassel Sunil D. Maharaj Rituparno Goswami
author_facet	Byron P. Brassel Sunil D. Maharaj Rituparno Goswami
author_sort	Byron P. Brassel
title	Inhomogeneous and Radiating Composite Fluids
title_short	Inhomogeneous and Radiating Composite Fluids
title_full	Inhomogeneous and Radiating Composite Fluids
title_fullStr	Inhomogeneous and Radiating Composite Fluids
title_full_unstemmed	Inhomogeneous and Radiating Composite Fluids
title_sort	inhomogeneous and radiating composite fluids
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/bdccf232059c4d87853c9b8cf5f3bfad
work_keys_str_mv	AT byronpbrassel inhomogeneousandradiatingcompositefluids AT sunildmaharaj inhomogeneousandradiatingcompositefluids AT rituparnogoswami inhomogeneousandradiatingcompositefluids
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Inhomogeneous and Radiating Composite Fluids

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