Low energy effective theory on a regularized brane in six-dimensional flux compactifications
arXiv:0708.2534 · doi:10.1103/PhysRevD.76.104052
Abstract
Conical brane singularities in six-dimensional flux compactification models can be resolved by introducing cylindrical codimension-one branes with regular caps instead of 3-branes (a la Kaluza-Klein braneworlds with fluxes). In this paper, we consider such a regularized braneworld with axial symmetry in six-dimensional Einstein-Maxwell theory. We derive a low energy effective theory on the regularized brane by employing the gradient expansion approach, and show that standard four-dimensional Einstein gravity is recovered at low energies. Our effective equations extend to the nonlinear gravity regime, implying that conventional cosmology can be reproduced in the regularized braneworld.
11 pages, minor corrections, accepted for publication in Physical Review D
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Cited by in corpus (12)
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- Supersymmetric codimension-two branes in six-dimensional gauged supergravity
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