Brane-world charges

Author: Silva S.

Source: Classical and Quantum Gravity, Volume 18, Number 8, 2001 , pp. 1577-1591(15)

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Abstract:

As opposed to usual Einstein gravity in four dimensions, the brane-world scenario allows the construction of a local density of gravitational energy (and also of momentum, of angular momentum, etc). This is a direct consequence of the hypothesis that our universe is located at the boundary of a five-dimensional diffeomorphism invariant manifold.

We compute these brane-world densities of charge using the Lanczos-Israel boundary conditions. To proceed, we implement an explicitly covariant generalization of the Hamiltonian procedure of Regge and Teitelboim given in a previous work.

Finally, we study two simple brane-world examples.

Language: English

Document Type: Miscellaneous

Publication date: 2001-01-01