Brane solutions in strings with broken supersymmetry and dilaton tadpoles

Details Brane solutions in strings with broken supersymmetry and dilaton tadpoles Brane solutions in strings with broken supersymmetry and dilaton tadpoles

2000-04-24

arxiv.org/abs/hep-th/0004165v1

Phys.Lett. B486 (2000) 172-178

Physics

High Energy Physics

High Energy Physics - Theory

13 pages

Scientific paper

10.1016/S0370-2693(00)00734-6

The tachyon-free nonsupersymmetric string theories in ten dimensions have dilaton tadpoles which forbid a Minkowski vacuum. We determine the maximally symmetric backgrounds for the $USp(32)$ Type I string and the $SO(16)\times SO(16)$ heterotic string. The static solutions exhibit nine dimensional Poincar\'e symmetry and have finite 9D Planck and Yang-Mills constants. The low energy geometry is given by a ten dimensional manifold with two boundaries separated by a finite distance which suggests a spontaneous compactification of the ten dimensional string theory.

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