Effective rank-five superstring models from CP3×CP3

K. Enqvist, D. V. Nanopoulos, S. Kalara, K. A. Olive

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


We consider three-generation, rank-six superstring models based on the simplest known Calabi-Yau space. Assuming a breaking scale (to rank-five) MB≳1016 GeV, as required by cosmology and other constraints, we describe the particle spectrum in a class of models in which the proton is stable and the neutrinos are massless. These models are effectively rank-five down to the weak scale O(100) GeV. We find that Higgs fields typically will have massess in excess of O(106) GeV due to higher order non-renormalizable interactions, hence rendering the conventional spontaneous breakdown of the electroweak symmetries impossible.

Original languageEnglish (US)
Pages (from-to)41-47
Number of pages7
JournalPhysics Letters B
Issue number1
StatePublished - Jul 9 1987

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