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Coset-Space String Compactification Leading To 14 Subcritical Dimensions

A. M. Gavrilik

hep-tharXiv:hep-th/9911120

Abstract

Using sigma-model approach, we study a class of coset spaces with torsion which compactify the D=26 closed bose-string theory. Requiring also that massless chiral fermions arise from the geometry/topology of coset space, we are left with the unique possibility: it implies D=14 subcritical dimensions and the isometry group G2 X G2.

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