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We obtain the energy and momentum densities of a general static axially symmetric vacuum space-time described by the Weyl metric, using Landau-Lifshitz and Bergmann-Thomson energy-momentum complexes. These two definitions of the…

General Relativity and Quantum Cosmology · Physics 2016-08-31 Ragab M. Gad

The energy and momentum densities associated with the Weyl metric are calculated using M{\o}ller's energy-momentum complex. These results are compared with the results obtained by using the energy-momentum complexes of Einstein, Landau and…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Ragab M. Gad

In this paper, we evaluate energy and momentum density distributions for the Weyl metric by using the well-known prescriptions of Einstein, Landau-Lifshitz, Papaterou and M$\ddot{o}$ller. The metric under consideration is the static…

General Relativity and Quantum Cosmology · Physics 2009-11-11 M. Sharif , Tasnim Fatima

This paper is devoted to compute the energy-momentum densities for two exact solutions of the Einstein field equations by using the prescriptions of Einstein, Landau-Lifshitz, Papapetrou and M\"{o}ller. The spacetimes under consideration…

General Relativity and Quantum Cosmology · Physics 2011-08-04 M. Sharif

Using Einstein and Papapetrou energy-momentum complexes, we explicitly calculate the energy and momentum distribution associated with spacetime homogeneous G$\ddot{o}$del-type metrics. We obtain that the two definitions of energy-momentum…

General Relativity and Quantum Cosmology · Physics 2009-11-10 M. Sharif

This paper has been addressed to a very old but burning problem of energy in General Relativity. We evaluate energy and momentum densities for the static and axisymmetric solutions. This specializes to two metrics, i.e., Erez-Rosen and the…

General Relativity and Quantum Cosmology · Physics 2009-11-11 M. Sharif , Tasnim Fatima

We calculated the energy and momentum densities of stiff fluid solutions, using Einstein, Bergmann-Thomson and Landau-Lifshitz energy-momentum complexes, in both general relativity and teleparallel gravity. In our analysis we get different…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Ragab M. Gad

Based on the Bianchi type IX metric, we calculate the energy and momentum density components of the gravitational field for the five different definitions of energy-momentum, namely, Tolman, Papapetrou, Landau-Lifshitz, M{\o}ller and…

General Relativity and Quantum Cosmology · Physics 2012-09-18 Z. Nourinezhad , S. Hamid Mehdipour

This paper is devoted to discuss the energy-momentum for static axially symmetric spacetimes in the framework of teleparallel theory of gravity. For this purpose, we use the teleparallel versions of Einstein, Landau-Lifshitz, Bergmann and…

General Relativity and Quantum Cosmology · Physics 2009-02-10 M. Sharif , M. Jamil Amir

In this paper, we find the energy-momentum distribution of stationary axisymmetric spacetimes in the context of teleparallel theory by using M$\ddot{o}$ller prescription. The metric under consideration is the generalization of the Weyl…

General Relativity and Quantum Cosmology · Physics 2009-02-12 M. Sharif , M Jamil Amir

We use the energy-momentum complexes of Landau and Lifshitz and Papapetrou to obtain the energy distribution in Melvin's magnetic universe. For this space-time we find that these definitions of energy give the same and convincing results.…

General Relativity and Quantum Cosmology · Physics 2016-12-28 S. S. Xulu

This paper is aimed to elaborate the problem of energy-momentum in General Relativity. In this connection, we use the prescriptions of Einstein, Landau-Lifshitz, Papapetrou and M\"{o}ller to compute the energy-momentum densities for two…

General Relativity and Quantum Cosmology · Physics 2014-11-17 M. Sharif , Tasnim Fatima

In this paper, we elaborate the problem of energy-momentum in General Relativity with the help of some well-known solutions. In this connection, we use the prescriptions of Einstein, Landau-Lifshitz, Papapetrou and M\"{o}ller to compute the…

General Relativity and Quantum Cosmology · Physics 2010-10-27 M. Sharif , M. Azam

In this study, using Moller and Tolman prescriptions we calculate energy and momentum densities for the general cylindrically symmetric spacetime metric. We find that results are finite and well defined in these complexes. We also give the…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Ali Havare , Mustafa Salti , Taylan Yetkin

We evaluate the energy distributions of the Dymnikova space-time using the Weinberg, Papapetrou, and M{\o}ller energy-momentum complexes. This result sustain the importance of the energy-momentum complexes in the evaluation of the energy…

General Relativity and Quantum Cosmology · Physics 2007-05-23 I-Ching Yang , Irina Radinschi

The vacuum energy density is calculated for the $O(N)$ nonlinear sigma models in two dimensions. To obtain $\varepsilon_{vac}$ we assume that each point of the space in which non-perturbative f\/ields are determined can be replaced by a…

High Energy Physics - Theory · Physics 2009-10-28 V. G. Ksenzov

We elaborate the problem of energy-momentum in general relativity by energy-momentum prescriptions theory. In this regard, we calculate M\oller,Landau-Lifshitz, Papapetrou, Einstein, Bergman, Tolman, and Weinberg's energy-momentum complexes…

General Relativity and Quantum Cosmology · Physics 2014-12-02 Amir M. Abbassi , Saeed Mirshekari , Amir H. Abbassi

The purpose of this paper is to illustrate the problem of energy and momentum distributions of Van Stockum space-time within the framework of two different theories of gravity, general relativity and teleparallel gravity. We have shown that…

General Relativity and Quantum Cosmology · Physics 2021-05-26 Ragab M Gad , H. A. Alharbi

We compute the energy and momentum of a regular black hole of type defined by Mars, Martin-Prats, and Senovilla using the Einstein and Papapetrou definitions for energy-momentum density. Some other definitions of energy-momentum density are…

General Relativity and Quantum Cosmology · Physics 2010-03-17 Owen Patashnick

We use the Einstein, Bergmann-Thomson, Landau-Lifshitz and Papapetrou energy-momentum complexes to calculate the energy and momentum distributions of Kantowski and Sachs space-time. We show that the Einstein and Bergmann-Thomson definitions…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Ragab M. Gad , A. Fouad
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