D-Brane Recoil and Supersymmetry Breaking as a Relaxation Process

Details D-Brane Recoil and Supersymmetry Breaking as a Relaxation Process D-Brane Recoil and Supersymmetry Breaking as a Relaxation Process

1999-08-20

arxiv.org/abs/hep-th/9908139v2

Phys.Lett. B476 (2000) 149-156

Physics

High Energy Physics

High Energy Physics - Theory

9 pages revtex, uses axodraw style (Arguments clarified, citations added; no change in conclusions.)

Scientific paper

10.1016/S0370-2693(00)00127-1

We propose a new mechanism for the formation of conical singularities on D-branes by means of recoil resulting from scattering of closed string states propagating in the (large) transverse dimensions. By viewing the (spatial part of the) four-dimensional world as a 3-brane with large transverse dimensions the above mechanism can lead to supersymmetry obstruction at the TeV scale. The vacuum remains supersymmetric while the mass spectrum picks up a supersymmetry obstructing mass splitting. The state with ``broken'' supersymmetry is not an equilibrium ground state, but is rather an excited state of the D-brane which relaxes to the supersymmetric ground state asymptotically in (cosmic) time.

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