Gauge and Matter Condensates in Realistic String Models

Details Gauge and Matter Condensates in Realistic String Models Gauge and Matter Condensates in Realistic String Models

1991-10-08

arxiv.org/abs/hep-th/9110023v1

Phys.Lett. B275 (1992) 304-310

Physics

High Energy Physics

High Energy Physics - Theory

11 pages (7 if reduced)

Scientific paper

10.1016/0370-2693(92)91594-Y

We examine the inter-relationship of the superpotential containing hidden and observable matter fields and the ensuing condensates in free fermionic string models. These gauge and matter condensates of the strongly interacting hidden gauge groups play a crucial role in the determination of the physical parameters of the observable sector. Supplementing the above information with the requirement of modular invariance, we find that a generic model with only trilinear superpotential allows for a degenerate (and sometimes pathological) set of vacua. This degeneracy may be lifted by higher order terms in the superpotential. We also point out some other subtle points that may arise in calculations of this nature. We exemplify our observations by computing explicitly the modular invariant gaugino and matter condensates in the flipped SU(5) string model with hidden gauge group $SO(10)\times SU(4)$.

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