T Self-Dual Transverse Space and Gravity Trapping

Details T Self-Dual Transverse Space and Gravity Trapping T Self-Dual Transverse Space and Gravity Trapping

2000-02-16

arxiv.org/abs/hep-th/0002130v2

Phys.Lett. B479 (2000) 273-283

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, LaTeX. v2: misprints corrected in eqs. (5)-(6) and (9); references added. To be published in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(00)00304-X

We advocate that the orbifold Z_2 symmetry of the gravity trapping model proposed by Randall and Sundrum can be seen, in appropriate coordinates, as a symmetry that exchanges the short distances with the large ones. Using diffeomorphism invariance, we construct extensions defined by patch glued together. A singularity occurs at the junction and it is interpreted as a brane, the jump brane, of codimension one. We give explicit realization in ten and eleven dimensional supergravity and show that the lower dimensional Planck scale on the brane is finite. The standard model would be trapped on a supersymmetric brane located at the origin whereas the jump brane would surround it at a finite distance. The bulk interactions could transmit the supersymmetry breaking from the jump brane to the SM brane.

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