On asymmetric brane creation

Details On asymmetric brane creation On asymmetric brane creation

2011-12-25

arxiv.org/abs/1112.5764v1

JHEP 01 (2012) 019

Physics

High Energy Physics

High Energy Physics - Theory

20 pages, JHEP in press. It is a significantly improved version of hep-th/0412317

Scientific paper

10.1007/JHEP01(2012)019

We exhaust the brane instanton solutions---an Einstein brane inhabiting at different positions in a 5-dimensional Einstein bulk with negative curvature. We construct a brane instanton model consisting of a brane with asymmetric bulk along two sides of the brane. And the junction condition of the resulting space-time is analyzed in the frame of induced gravity (DGP model). In spirits of quantum gravity of path integral formulism we calculate the Euclidean actions on three canonical paths and then compare the Euclidean actions of different instantons per unit 4-volume. We also compare the Euclidean actions per unit 4-volume of instantons, which consist of a brane gluing to a fixed half, with other Euclidean actions of halves possessing different cosmological constants.

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