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On the Gravitational Energy-Momentum Vector in f(T) Theories

This work is devoted to analyze the energy of the Universe in the context of f(T) theories. Such theories are the analogous counterpart of the well known f(R) theories that, however, uses torsion instead of curvature. We obtain a general expression for the gravitational energy-momentum vector in this framework. Using the hypothesis of the isotropy of spacetime, we find the energy of the Universe and compare it with the energy obtained in the realm of teleparallelism equivalent to general relativity (TEGR).

preprint2013arXivOpen access
S. C. UlhoaE. P. Spaniol
gr-qc
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Open access2 authors1 topic
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S. C. UlhoaE. P. Spaniol

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