Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2004-11-09
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
5 pages, To appear in the Proceedings of the 6th International Symposium on Frontiers in Fundamental and Computational Physics
Scientific paper
We present a generalization to the N-dimensional case for the nucleation
coefficient of a spherical p-brane, separating two (anti-)de Sitter spacetimes.
We use a semiclassical approximation based on the analytical continuation to
the Euclidean sector of a suitable effective action describing a p-brane in
General Relativity.
Ansoldi Stefano
Sindoni Lorenzo
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