Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Shabeela Malik"'
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Akademický článek
A classification of Bianchi Type I solutions via conformal vector fields and energy conditions in modified teleparallel gravity
Autor: Shabeela Malik, Fiaz Hussain, Taotao Sui, Arshad Ali, Sirajul Haq, Muhammad Ramzan
Publikováno v: Results in Physics, Vol 46, Iss , Pp 106267- (2023)
The focus of this research is to investigate conformal vector fields (CVFs) of Bianchi type I space–times in modified teleparallel gravity (MTG). In order to determine such vector fields, we make a classification of said space–times. As a result,
Externí odkaz: https://doaj.org/article/af3ffc96c99340ef9c7e66effb9544c0
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3
A note on classification of locally rotationally symmetric Bianchi type I space–times via conformal vector fields in f(T,B) gravity
Autor: Fiaz Hussain, Shabeela Malik, Ghulam Shabbir
Publikováno v: International Journal of Geometric Methods in Modern Physics. 18:2150123
The aim of this paper is to classify locally rotationally symmetric (LRS) Bianchi type I space-times via conformal vector fields (CVFs) in the [Formula: see text] gravity. In a first step, we find the space-times that are solutions of some [Formula:
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d2cae1cb7347bd2c5bdf2812c0447327
https://doi.org/10.1142/s0219887821501231
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4
Conformal vector fields for some vacuum classes of pp-waves space-times in ghost free infinite derivative gravity
Autor: Shabeela Malik, Fiaz Hussain, Muhammad Ramzan, Ghulam Shabbir
Publikováno v: International Journal of Geometric Methods in Modern Physics. 18:2150109
The aim of this paper is to find conformal vector fields (CVFs) for some vacuum classes of the pp-waves space-times in the ghost free infinite derivative gravity (IDG). In order to find the CVFs of the above-mentioned space-times in the IDG, first, w
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a50c0b959c0f295af2512846508a5412
https://doi.org/10.1142/s0219887821501097
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5
Conformal vector fields of static spherically symmetric perfect fluid space-times in modified teleparallel theory of gravity
Autor: Shabeela Malik, Ghulam Shabbir, Fiaz Hussain
Publikováno v: International Journal of Geometric Methods in Modern Physics. 17:2050202
In this paper, initially we solve the Einstein field equations (EFEs) for a static spherically (SS) symmetric perfect fluid space-times in the [Formula: see text] gravity with the aid of some algebraic techniques. The extracted solutions are then uti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::661f5de4fe78988ccc234a2cf490deeb
https://doi.org/10.1142/s0219887820502023
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6
Conformal vector fields of some vacuum classes of static spherically symmetric space-times in f(T,B) gravity
Autor: Muhammad Ramzan, Shabeela Malik, Fiaz Hussain, Ghulam Shabbir
Publikováno v: International Journal of Geometric Methods in Modern Physics. 17:2050149
The aim of this paper is to investigate the conformal vector fields (CVFs) for some vacuum classes of static spherically symmetric space-times in [Formula: see text] gravity. First, we have explored the space-times by solving the Einstein field equat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6dde5a16afda2ba4b9a2ce094e566b43
https://doi.org/10.1142/s0219887820501492
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7
Classification of proper non-static cylindrically symmetric perfect fluid space-times via conformal vector fields in f(R) gravity
Autor: Ghulam Shabbir, Abdul H. Kara, Muhammad Ramzan, Fiaz Hussain, Shabeela Malik
Publikováno v: International Journal of Geometric Methods in Modern Physics. 17:2050147
In this paper, we classify proper non-static cylindrically symmetric (CS) perfect fluid space-times via conformal vector fields (CVFs) in the [Formula: see text] gravity. In order to classify the space-times, we use the algebraic and direct integrati
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2ecf6df02ff7c71903e072a6992ad1ff
https://doi.org/10.1142/s0219887820501479
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8
A note on classification of static plane symmetric perfect fluid space-times via proper conformal vector fields in f(G) theory of gravity
Autor: Shabeela Malik, Fiaz Hussain, Ghulam Shabbir, Fazal M. Mahomed, Muhammad Ramzan
Publikováno v: International Journal of Geometric Methods in Modern Physics. 17:2050086
In the [Formula: see text] theory of gravity, we classify static plane symmetric perfect fluid space-times via proper conformal vector fields (CVFs) using algebraic and direct integration approaches. During this classification, we found eight cases.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3bbe4396a0d7e45411d13df5124c0e5e
https://doi.org/10.1142/s0219887820500863
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9
Classification of vacuum classes of plane fronted gravitational waves via proper conformal vector fields in f(R) gravity
Autor: Fiaz Hussain, Shabeela Malik, Muhammad Ramzan, Ghulam Shabbir
Publikováno v: International Journal of Geometric Methods in Modern Physics. 16:1950151
In this paper, we have studied proper conformal vector fields of pp-wave space-times in the [Formula: see text] theory of gravity using algebraic and direct integration techniques. From this study, we found that a very special class of pp-waves known
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9951801932f8bae3d9f6f6b2b34ddee2
https://doi.org/10.1142/s0219887819501512
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