- Tytuł:
- Wormhole Solution and Energy in Teleparallel Theory of Gravity
- Autorzy:
- Nashed, G. G. L.
- Powiązania:
- https://bibliotekanauki.pl/articles/2047256.pdf
- Data publikacji:
- 2007-02
- Wydawca:
- Polska Akademia Nauk. Instytut Fizyki PAN
- Tematy:
-
04.20.Cv
04.50.+h
04.20.-q - Opis:
- An exact solution is obtained in the tetrad theory of gravitation. This solution is characterized by two parameters k$\text{}_{1}$, k$\text{}_{2}$ of spherically symmetric static Lorentzian wormhole which is obtained as a solution of the equation ρ= ρ$\text{}_{t}$=0 with ρ=T$\text{}_{i,j}$u$\text{}^{i}$u$\text{}^{j}$, ρ$\text{}_{t}$ =(T$\text{}_{ij}$-1/2Tg$\text{}_{ij}$) u$\text{}^{i}$u$\text{}^{j}$, where u$\text{}^{i}$u$\text{}_{i}$=-1. From this solution which contains an arbitrary function we can generate the other two solutions obtained before. The associated metric of this space-time is a static Lorentzian wormhole and it includes the Schwarzschild black hole, a family of naked singularity and a disjoint family of Lorentzian wormholes. Calculating the energy content of this tetrad field and using the gravitational energy momentum given by Møller in the teleparallel space-time we find that the resulting form depends on the arbitrary function and does not depend on the two parameters k$\text{}_{1}$ and k$\text{}_{2}$ characterizing the wormhole. Using the regularized expression of the gravitational energy momentum we get the value of energy which does not depend on the arbitrary function.
- Źródło:
-
Acta Physica Polonica A; 2007, 111, 2; 201-213
0587-4246
1898-794X - Pojawia się w:
- Acta Physica Polonica A
- Dostawca treści:
- Biblioteka Nauki
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