Journal Article Gauge coupling unification in SO(32) heterotic string theory with magnetic fluxes

Abe, Hiroyuki  ,  Kobayashi, Tatsuo  ,  Otsuka, Hajime  ,  Takano, Yasufumi  ,  Tatsuishi, Takuya H.

(5)  , p.053 , 2016-05 , Oxford University Press
We study SO(32) heterotic string theory on a torus with magnetic fluxes. Non-vanishing fluxes can lead to non-universal gauge kinetic functions for SU(3) x SU(2) x U(1)gamma, which is an important feature of SO(32) heterotic string theory in contrast to the E-8 x E-8 theory. It is found that the experimental values of gauge couplings are realized with O(1) values of moduli fields based on realistic models with the SU(3) x SU(2) x U(1)gamma gauge symmetry and three chiral generations of quarks and leptons without chiral exotics.

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