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   Articles with "type spacetimes" as a keyword



A note on some Bianchi type II spacetimes and their conformal vector fields in f(R) theory of gravity

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recommendations! Published in 2019 at "Modern Physics Letters A"

DOI: 10.1142/s0217732319503206

Abstract: The aim of this paper is to find proper conformal vector fields of some Bianchi type II spacetimes in the f[Formula: see text](R[Formula: see text]) theory of gravity using direct integration technique. In this study, seven… read more here.

Keywords: vector; type spacetimes; theory gravity; bianchi type ... See more keywords

Killing vector fields of Bianchi type I spacetimes via Rif tree approach

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recommendations! Published in 2021 at "Modern Physics Letters A"

DOI: 10.1142/s0217732321502084

Abstract: In this paper, we have adopted a new approach to study the Killing vector fields of locally rotationally symmetric and general Bianchi type I spacetimes. Instead of directly integrating the set of Killing’s equations, an… read more here.

Keywords: type spacetimes; bianchi type; rif tree; vector fields ... See more keywords

Existence of Noether vector fields of Bianchi type-I spacetimes in modified symmetric teleparallel f(Q) gravity

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recommendations! Published in 2025 at "Modern Physics Letters A"

DOI: 10.1142/s0217732325500956

Abstract: The aim of this paper is to find Noether vector fields (NVFs) of Bianchi type-I spacetimes in the modified symmetric teleparallel gravity (STG). For this purpose, initially, we solve equations of motion of the STG… read more here.

Keywords: bianchi type; vector fields; noether vector; type spacetimes ... See more keywords