Cosmological constraints from extra-dimension induced domain walls

Details Cosmological constraints from extra-dimension induced domain walls Cosmological constraints from extra-dimension induced domain walls

2003-07-30

arxiv.org/abs/hep-ph/0307368v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 3 figures; prepared for IVth Marseille International Cosmology Conference

Scientific paper

TeV size extra dimensions introduce domain walls. Such walls are inconsistent with CMB anisotropies. Either inflationary dynamics washes them out, or the reheating temperature is lower then the temperature at which the walls start forming networks. As the restoration of the symmetry is non-perturbative we have performed 5d lattice simulations which show the occurrence of a cut-off in the fifth dimension as well as symmetry restoration.

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