Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-05-14
Phys.Rev.D76:104048,2007
Physics
High Energy Physics
High Energy Physics - Theory
Revtex 4, 23 pages
Scientific paper
10.1103/PhysRevD.76.104048
We consider real and complex scalar fields non-minimally coupled to gravity in the bulk spacetime and study their impact on the brane upon acquiring a non-vanishing vacuum expectation value. When examining the case of the complex scalar field, a minimally coupled U(1) gauge field is also considered so that spontaneous symmetry breaking can take place. Particular attention is paid to the terms arising from the junction conditions, which act towards reinforcing the mechanism of spontaneous symmetry breaking. We find that the embedding of a braneworld universe in a bulk spacetime endowed with matter fields can induce this mechanism at very high energies, which implies the localization on the brane of the bulk fields.
Bertolami Orfeu
Carvalho Carla
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